28920112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{853}}^1$

素因数の和:1037

約数の個数: 40

約数和(自身を含む): 60784304

約数和(自身を除く): 31864192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 652, 853, 1304, 1706, 2119, 2608, 3412, 4238, 6824, 8476, 11089, 13648, 16952, 22178, 33904, 44356, 88712, 139039, 177424, 278078, 556156, 1112312, 1807507, 2224624, 3615014, 7230028, 14460056, 28920112]

約数ペア:

[(1, 28920112), (2, 14460056), (4, 7230028), (8, 3615014), (13, 2224624), (16, 1807507), (26, 1112312), (52, 556156), (104, 278078), (163, 177424), (208, 139039), (326, 88712), (652, 44356), (853, 33904), (1304, 22178), (1706, 16952), (2119, 13648), (2608, 11089), (3412, 8476), (4238, 6824)]