68463928

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 140983200

約数和(自身を除く): 72519272

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 169, 316, 338, 632, 641, 676, 1027, 1282, 1352, 2054, 2564, 4108, 5128, 8216, 8333, 13351, 16666, 26702, 33332, 50639, 53404, 66664, 101278, 106808, 108329, 202556, 216658, 405112, 433316, 658307, 866632, 1316614, 2633228, 5266456, 8557991, 17115982, 34231964, 68463928]

約数ペア:

[(1, 68463928), (2, 34231964), (4, 17115982), (8, 8557991), (13, 5266456), (26, 2633228), (52, 1316614), (79, 866632), (104, 658307), (158, 433316), (169, 405112), (316, 216658), (338, 202556), (632, 108329), (641, 106808), (676, 101278), (1027, 66664), (1282, 53404), (1352, 50639), (2054, 33332), (2564, 26702), (4108, 16666), (5128, 13351), (8216, 8333)]