68905356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 177269904

約数和(自身を除く): 108364548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 169, 183, 244, 338, 366, 507, 557, 676, 732, 793, 1014, 1114, 1586, 1671, 2028, 2228, 2379, 3172, 3342, 4758, 6684, 7241, 9516, 10309, 14482, 20618, 21723, 28964, 30927, 33977, 41236, 43446, 61854, 67954, 86892, 94133, 101931, 123708, 135908, 188266, 203862, 282399, 376532, 407724, 441701, 564798, 883402, 1129596, 1325103, 1766804, 2650206, 5300412, 5742113, 11484226, 17226339, 22968452, 34452678, 68905356]

約数ペア:

[(1, 68905356), (2, 34452678), (3, 22968452), (4, 17226339), (6, 11484226), (12, 5742113), (13, 5300412), (26, 2650206), (39, 1766804), (52, 1325103), (61, 1129596), (78, 883402), (122, 564798), (156, 441701), (169, 407724), (183, 376532), (244, 282399), (338, 203862), (366, 188266), (507, 135908), (557, 123708), (676, 101931), (732, 94133), (793, 86892), (1014, 67954), (1114, 61854), (1586, 43446), (1671, 41236), (2028, 33977), (2228, 30927), (2379, 28964), (3172, 21723), (3342, 20618), (4758, 14482), (6684, 10309), (7241, 9516)]