1638930228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{857}}^1$

素因数の和:954

約数の個数: 144

約数和(自身を含む): 4431563136

約数和(自身を除く): 2792632908

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 41, 46, 52, 69, 78, 82, 92, 123, 138, 156, 164, 169, 246, 276, 299, 338, 492, 507, 533, 598, 676, 857, 897, 943, 1014, 1066, 1196, 1599, 1714, 1794, 1886, 2028, 2132, 2571, 2829, 3198, 3428, 3588, 3772, 3887, 5142, 5658, 6396, 6929, 7774, 10284, 11141, 11316, 11661, 12259, 13858, 15548, 19711, 20787, 22282, 23322, 24518, 27716, 33423, 35137, 36777, 39422, 41574, 44564, 46644, 49036, 59133, 66846, 70274, 73554, 78844, 83148, 105411, 118266, 133692, 140548, 144833, 147108, 159367, 210822, 236532, 256243, 289666, 318734, 421644, 434499, 456781, 478101, 512486, 579332, 637468, 768729, 808151, 868998, 913562, 956202, 1024972, 1370343, 1537458, 1616302, 1737996, 1827124, 1912404, 2424453, 2740686, 3074916, 3232604, 3331159, 4848906, 5481372, 5938153, 6662318, 9697812, 9993477, 10505963, 11876306, 13324636, 17814459, 19986954, 21011926, 23752612, 31517889, 35628918, 39973908, 42023852, 63035778, 71257836, 126071556, 136577519, 273155038, 409732557, 546310076, 819465114, 1638930228]

約数ペア:

[(1, 1638930228), (2, 819465114), (3, 546310076), (4, 409732557), (6, 273155038), (12, 136577519), (13, 126071556), (23, 71257836), (26, 63035778), (39, 42023852), (41, 39973908), (46, 35628918), (52, 31517889), (69, 23752612), (78, 21011926), (82, 19986954), (92, 17814459), (123, 13324636), (138, 11876306), (156, 10505963), (164, 9993477), (169, 9697812), (246, 6662318), (276, 5938153), (299, 5481372), (338, 4848906), (492, 3331159), (507, 3232604), (533, 3074916), (598, 2740686), (676, 2424453), (857, 1912404), (897, 1827124), (943, 1737996), (1014, 1616302), (1066, 1537458), (1196, 1370343), (1599, 1024972), (1714, 956202), (1794, 913562), (1886, 868998), (2028, 808151), (2132, 768729), (2571, 637468), (2829, 579332), (3198, 512486), (3428, 478101), (3588, 456781), (3772, 434499), (3887, 421644), (5142, 318734), (5658, 289666), (6396, 256243), (6929, 236532), (7774, 210822), (10284, 159367), (11141, 147108), (11316, 144833), (11661, 140548), (12259, 133692), (13858, 118266), (15548, 105411), (19711, 83148), (20787, 78844), (22282, 73554), (23322, 70274), (24518, 66846), (27716, 59133), (33423, 49036), (35137, 46644), (36777, 44564), (39422, 41574)]