68911778

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 120955680

約数和(自身を除く): 52043902

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 169, 179, 221, 338, 358, 442, 871, 1139, 1742, 2278, 2327, 2873, 3043, 4654, 5746, 6086, 11323, 11993, 14807, 22646, 23986, 29614, 30251, 39559, 60502, 79118, 155909, 192491, 203881, 311818, 384982, 407762, 514267, 1028534, 2026817, 2650453, 4053634, 5300906, 34455889, 68911778]

約数ペア:

[(1, 68911778), (2, 34455889), (13, 5300906), (17, 4053634), (26, 2650453), (34, 2026817), (67, 1028534), (134, 514267), (169, 407762), (179, 384982), (221, 311818), (338, 203881), (358, 192491), (442, 155909), (871, 79118), (1139, 60502), (1742, 39559), (2278, 30251), (2327, 29614), (2873, 23986), (3043, 22646), (4654, 14807), (5746, 11993), (6086, 11323)]