399598906

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 750228480

約数和(自身を除く): 350629574

約数列:

[1, 2, 7, 14, 17, 34, 53, 79, 106, 119, 158, 238, 371, 401, 553, 742, 802, 901, 1106, 1343, 1802, 2686, 2807, 4187, 5614, 6307, 6817, 8374, 9401, 12614, 13634, 18802, 21253, 29309, 31679, 42506, 47719, 58618, 63358, 71179, 95438, 142358, 148771, 221753, 297542, 361301, 443506, 498253, 538543, 722602, 996506, 1077086, 1678987, 2529107, 3357974, 3769801, 5058214, 7539602, 11752909, 23505818, 28542779, 57085558, 199799453, 399598906]

約数ペア:

[(1, 399598906), (2, 199799453), (7, 57085558), (14, 28542779), (17, 23505818), (34, 11752909), (53, 7539602), (79, 5058214), (106, 3769801), (119, 3357974), (158, 2529107), (238, 1678987), (371, 1077086), (401, 996506), (553, 722602), (742, 538543), (802, 498253), (901, 443506), (1106, 361301), (1343, 297542), (1802, 221753), (2686, 148771), (2807, 142358), (4187, 95438), (5614, 71179), (6307, 63358), (6817, 58618), (8374, 47719), (9401, 42506), (12614, 31679), (13634, 29309), (18802, 21253)]