68940248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{10867}}^1$

素因数の和:10947

約数の個数: 32

約数和(自身を含む): 141501360

約数和(自身を除く): 72561112

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 488, 793, 1586, 3172, 6344, 10867, 21734, 43468, 86936, 141271, 282542, 565084, 662887, 1130168, 1325774, 2651548, 5303096, 8617531, 17235062, 34470124, 68940248]

約数ペア:

[(1, 68940248), (2, 34470124), (4, 17235062), (8, 8617531), (13, 5303096), (26, 2651548), (52, 1325774), (61, 1130168), (104, 662887), (122, 565084), (244, 282542), (488, 141271), (793, 86936), (1586, 43468), (3172, 21734), (6344, 10867)]