72172984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{6871}}^1$

素因数の和:6991

約数の個数: 32

約数和(自身を含む): 147198240

約数和(自身を除く): 75025256

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 2626, 5252, 6871, 10504, 13742, 27484, 54968, 89323, 178646, 357292, 693971, 714584, 1387942, 2775884, 5551768, 9021623, 18043246, 36086492, 72172984]

約数ペア:

[(1, 72172984), (2, 36086492), (4, 18043246), (8, 9021623), (13, 5551768), (26, 2775884), (52, 1387942), (101, 714584), (104, 693971), (202, 357292), (404, 178646), (808, 89323), (1313, 54968), (2626, 27484), (5252, 13742), (6871, 10504)]