247654908

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{8219}}^1$

素因数の和:8269

約数の個数: 72

約数和(自身を含む): 670225920

約数和(自身を除く): 422571012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 837, 972, 1116, 1674, 2511, 3348, 5022, 7533, 8219, 10044, 15066, 16438, 24657, 30132, 32876, 49314, 73971, 98628, 147942, 221913, 254789, 295884, 443826, 509578, 665739, 764367, 887652, 1019156, 1331478, 1528734, 1997217, 2293101, 2662956, 3057468, 3994434, 4586202, 6879303, 7988868, 9172404, 13758606, 20637909, 27517212, 41275818, 61913727, 82551636, 123827454, 247654908]

約数ペア:

[(1, 247654908), (2, 123827454), (3, 82551636), (4, 61913727), (6, 41275818), (9, 27517212), (12, 20637909), (18, 13758606), (27, 9172404), (31, 7988868), (36, 6879303), (54, 4586202), (62, 3994434), (81, 3057468), (93, 2662956), (108, 2293101), (124, 1997217), (162, 1528734), (186, 1331478), (243, 1019156), (279, 887652), (324, 764367), (372, 665739), (486, 509578), (558, 443826), (837, 295884), (972, 254789), (1116, 221913), (1674, 147942), (2511, 98628), (3348, 73971), (5022, 49314), (7533, 32876), (8219, 30132), (10044, 24657), (15066, 16438)]