278317936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{8209}}^1$

素因数の和:8393

約数の個数: 40

約数和(自身を含む): 584354960

約数和(自身を除く): 306037024

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 652, 1304, 2119, 2608, 4238, 8209, 8476, 16418, 16952, 32836, 33904, 65672, 106717, 131344, 213434, 426868, 853736, 1338067, 1707472, 2676134, 5352268, 10704536, 17394871, 21409072, 34789742, 69579484, 139158968, 278317936]

約数ペア:

[(1, 278317936), (2, 139158968), (4, 69579484), (8, 34789742), (13, 21409072), (16, 17394871), (26, 10704536), (52, 5352268), (104, 2676134), (163, 1707472), (208, 1338067), (326, 853736), (652, 426868), (1304, 213434), (2119, 131344), (2608, 106717), (4238, 65672), (8209, 33904), (8476, 32836), (16418, 16952)]