25457916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 66361680

約数和(自身を除く): 40903764

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 121, 132, 178, 197, 242, 267, 356, 363, 394, 484, 534, 591, 726, 788, 979, 1068, 1182, 1452, 1958, 2167, 2364, 2937, 3916, 4334, 5874, 6501, 8668, 10769, 11748, 13002, 17533, 21538, 23837, 26004, 32307, 35066, 43076, 47674, 52599, 64614, 70132, 71511, 95348, 105198, 129228, 143022, 192863, 210396, 286044, 385726, 578589, 771452, 1157178, 2121493, 2314356, 4242986, 6364479, 8485972, 12728958, 25457916]

約数ペア:

[(1, 25457916), (2, 12728958), (3, 8485972), (4, 6364479), (6, 4242986), (11, 2314356), (12, 2121493), (22, 1157178), (33, 771452), (44, 578589), (66, 385726), (89, 286044), (121, 210396), (132, 192863), (178, 143022), (197, 129228), (242, 105198), (267, 95348), (356, 71511), (363, 70132), (394, 64614), (484, 52599), (534, 47674), (591, 43076), (726, 35066), (788, 32307), (979, 26004), (1068, 23837), (1182, 21538), (1452, 17533), (1958, 13002), (2167, 11748), (2364, 10769), (2937, 8668), (3916, 6501), (4334, 5874)]