9991308

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 25719232

約数和(自身を除く): 15727924

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 67, 68, 86, 102, 129, 134, 172, 201, 204, 258, 268, 289, 402, 516, 578, 731, 804, 867, 1139, 1156, 1462, 1734, 2193, 2278, 2881, 2924, 3417, 3468, 4386, 4556, 5762, 6834, 8643, 8772, 11524, 12427, 13668, 17286, 19363, 24854, 34572, 37281, 38726, 48977, 49708, 58089, 74562, 77452, 97954, 116178, 146931, 149124, 195908, 232356, 293862, 587724, 832609, 1665218, 2497827, 3330436, 4995654, 9991308]

約数ペア:

[(1, 9991308), (2, 4995654), (3, 3330436), (4, 2497827), (6, 1665218), (12, 832609), (17, 587724), (34, 293862), (43, 232356), (51, 195908), (67, 149124), (68, 146931), (86, 116178), (102, 97954), (129, 77452), (134, 74562), (172, 58089), (201, 49708), (204, 48977), (258, 38726), (268, 37281), (289, 34572), (402, 24854), (516, 19363), (578, 17286), (731, 13668), (804, 12427), (867, 11524), (1139, 8772), (1156, 8643), (1462, 6834), (1734, 5762), (2193, 4556), (2278, 4386), (2881, 3468), (2924, 3417)]