181437668

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 358143744

約数和(自身を除く): 176706076

約数列:

[1, 2, 4, 17, 31, 34, 61, 62, 68, 83, 122, 124, 166, 244, 289, 332, 527, 578, 1037, 1054, 1156, 1411, 1891, 2074, 2108, 2573, 2822, 3782, 4148, 5063, 5146, 5644, 7564, 8959, 10126, 10292, 17629, 17918, 20252, 23987, 32147, 35258, 35836, 43741, 47974, 64294, 70516, 86071, 87482, 95948, 128588, 156953, 172142, 174964, 313906, 344284, 546499, 627812, 743597, 1092998, 1463207, 1487194, 2185996, 2668201, 2926414, 2974388, 5336402, 5852828, 10672804, 45359417, 90718834, 181437668]

約数ペア:

[(1, 181437668), (2, 90718834), (4, 45359417), (17, 10672804), (31, 5852828), (34, 5336402), (61, 2974388), (62, 2926414), (68, 2668201), (83, 2185996), (122, 1487194), (124, 1463207), (166, 1092998), (244, 743597), (289, 627812), (332, 546499), (527, 344284), (578, 313906), (1037, 174964), (1054, 172142), (1156, 156953), (1411, 128588), (1891, 95948), (2074, 87482), (2108, 86071), (2573, 70516), (2822, 64294), (3782, 47974), (4148, 43741), (5063, 35836), (5146, 35258), (5644, 32147), (7564, 23987), (8959, 20252), (10126, 17918), (10292, 17629)]