128917386

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{809}}^1$

素因数の和:1060

約数の個数: 64

約数和(自身を含む): 310262400

約数和(自身を除く): 181345014

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 227, 234, 351, 454, 681, 702, 809, 1362, 1618, 2043, 2427, 2951, 4086, 4854, 5902, 6129, 7281, 8853, 10517, 12258, 14562, 17706, 21034, 21843, 26559, 31551, 43686, 53118, 63102, 79677, 94653, 159354, 183643, 189306, 283959, 367286, 550929, 567918, 1101858, 1652787, 2387359, 3305574, 4774718, 4958361, 7162077, 9916722, 14324154, 21486231, 42972462, 64458693, 128917386]

約数ペア:

[(1, 128917386), (2, 64458693), (3, 42972462), (6, 21486231), (9, 14324154), (13, 9916722), (18, 7162077), (26, 4958361), (27, 4774718), (39, 3305574), (54, 2387359), (78, 1652787), (117, 1101858), (227, 567918), (234, 550929), (351, 367286), (454, 283959), (681, 189306), (702, 183643), (809, 159354), (1362, 94653), (1618, 79677), (2043, 63102), (2427, 53118), (2951, 43686), (4086, 31551), (4854, 26559), (5902, 21843), (6129, 21034), (7281, 17706), (8853, 14562), (10517, 12258)]