278853198

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{40169}}^1$

素因数の和:40276

約数の個数: 32

約数和(自身を含む): 607370400

約数和(自身を除く): 328517202

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 3471, 6942, 40169, 80338, 120507, 241014, 522197, 1044394, 1566591, 3133182, 3575041, 7150082, 10725123, 21450246, 46475533, 92951066, 139426599, 278853198]

約数ペア:

[(1, 278853198), (2, 139426599), (3, 92951066), (6, 46475533), (13, 21450246), (26, 10725123), (39, 7150082), (78, 3575041), (89, 3133182), (178, 1566591), (267, 1044394), (534, 522197), (1157, 241014), (2314, 120507), (3471, 80338), (6942, 40169)]