81244771.000000000

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 784740096

約数和(自身を除く): 498550452

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 31, 39, 46, 52, 62, 69, 78, 83, 92, 93, 124, 138, 156, 166, 186, 249, 276, 299, 332, 372, 403, 498, 598, 713, 806, 897, 961, 996, 1079, 1196, 1209, 1426, 1612, 1794, 1909, 1922, 2139, 2158, 2418, 2573, 2852, 2883, 3237, 3588, 3818, 3844, 4278, 4316, 4836, 5146, 5727, 5766, 6474, 7636, 7719, 8556, 9269, 10292, 11454, 11532, 12493, 12948, 15438, 18538, 22103, 22908, 24817, 24986, 27807, 30876, 33449, 37076, 37479, 44206, 49634, 49972, 55614, 59179, 66309, 66898, 74451, 74958, 79763, 88412, 99268, 100347, 111228, 118358, 132618, 133796, 148902, 149916, 159526, 177537, 200694, 236716, 239289, 265236, 287339, 297804, 319052, 355074, 401388, 478578, 574678, 710148, 769327, 862017, 957156, 1036919, 1149356, 1538654, 1724034, 1834549, 2073838, 2307981, 3077308, 3110757, 3448068, 3669098, 4147676, 4615962, 5503647, 6221514, 7338196, 9231924, 11007294, 12443028, 22014588, 23849137, 47698274, 71547411, 95396548, 143094822, 286189644]

約数ペア:

[(1, 286189644), (2, 143094822), (3, 95396548), (4, 71547411), (6, 47698274), (12, 23849137), (13, 22014588), (23, 12443028), (26, 11007294), (31, 9231924), (39, 7338196), (46, 6221514), (52, 5503647), (62, 4615962), (69, 4147676), (78, 3669098), (83, 3448068), (92, 3110757), (93, 3077308), (124, 2307981), (138, 2073838), (156, 1834549), (166, 1724034), (186, 1538654), (249, 1149356), (276, 1036919), (299, 957156), (332, 862017), (372, 769327), (403, 710148), (498, 574678), (598, 478578), (713, 401388), (806, 355074), (897, 319052), (961, 297804), (996, 287339), (1079, 265236), (1196, 239289), (1209, 236716), (1426, 200694), (1612, 177537), (1794, 159526), (1909, 149916), (1922, 148902), (2139, 133796), (2158, 132618), (2418, 118358), (2573, 111228), (2852, 100347), (2883, 99268), (3237, 88412), (3588, 79763), (3818, 74958), (3844, 74451), (4278, 66898), (4316, 66309), (4836, 59179), (5146, 55614), (5727, 49972), (5766, 49634), (6474, 44206), (7636, 37479), (7719, 37076), (8556, 33449), (9269, 30876), (10292, 27807), (11454, 24986), (11532, 24817), (12493, 22908), (12948, 22103), (15438, 18538)]