400478049218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{18433}}^1$

素因数の和:18807

約数の個数: 64

約数和(自身を含む): 673113823200

約数和(自身を除く): 272635773982

約数列:

[1, 2, 13, 26, 41, 82, 89, 178, 229, 458, 533, 1066, 1157, 2314, 2977, 3649, 5954, 7298, 9389, 18433, 18778, 20381, 36866, 40762, 47437, 94874, 122057, 239629, 244114, 264953, 479258, 529906, 755753, 835621, 1511506, 1640537, 1671242, 3281074, 4221157, 8442314, 9824789, 10863073, 19649578, 21326981, 21726146, 42653962, 54875041, 67262017, 109750082, 134524034, 173067437, 346134874, 375682973, 751365946, 874406221, 1748812442, 2249876681, 4499753362, 4883878649, 9767757298, 15403001893, 30806003786, 200239024609, 400478049218]

約数ペア:

[(1, 400478049218), (2, 200239024609), (13, 30806003786), (26, 15403001893), (41, 9767757298), (82, 4883878649), (89, 4499753362), (178, 2249876681), (229, 1748812442), (458, 874406221), (533, 751365946), (1066, 375682973), (1157, 346134874), (2314, 173067437), (2977, 134524034), (3649, 109750082), (5954, 67262017), (7298, 54875041), (9389, 42653962), (18433, 21726146), (18778, 21326981), (20381, 19649578), (36866, 10863073), (40762, 9824789), (47437, 8442314), (94874, 4221157), (122057, 3281074), (239629, 1671242), (244114, 1640537), (264953, 1511506), (479258, 835621), (529906, 755753)]