645221598

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1629

約数の個数: 64

約数和(自身を含む): 1505280000

約数和(自身を除く): 860058402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 139, 158, 237, 278, 417, 474, 553, 834, 973, 1106, 1399, 1659, 1946, 2798, 2919, 3318, 4197, 5838, 8394, 9793, 10981, 19586, 21962, 29379, 32943, 58758, 65886, 76867, 110521, 153734, 194461, 221042, 230601, 331563, 388922, 461202, 583383, 663126, 773647, 1166766, 1361227, 1547294, 2320941, 2722454, 4083681, 4641882, 8167362, 15362419, 30724838, 46087257, 92174514, 107536933, 215073866, 322610799, 645221598]

約数ペア:

[(1, 645221598), (2, 322610799), (3, 215073866), (6, 107536933), (7, 92174514), (14, 46087257), (21, 30724838), (42, 15362419), (79, 8167362), (139, 4641882), (158, 4083681), (237, 2722454), (278, 2320941), (417, 1547294), (474, 1361227), (553, 1166766), (834, 773647), (973, 663126), (1106, 583383), (1399, 461202), (1659, 388922), (1946, 331563), (2798, 230601), (2919, 221042), (3318, 194461), (4197, 153734), (5838, 110521), (8394, 76867), (9793, 65886), (10981, 58758), (19586, 32943), (21962, 29379)]