28267148

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{983}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 61716480

約数和(自身を除く): 33449332

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 983, 1027, 1106, 1966, 2054, 2212, 3932, 4108, 6881, 7189, 12779, 13762, 14378, 25558, 27524, 28756, 51116, 77657, 89453, 155314, 178906, 310628, 357812, 543599, 1009541, 1087198, 2019082, 2174396, 4038164, 7066787, 14133574, 28267148]

約数ペア:

[(1, 28267148), (2, 14133574), (4, 7066787), (7, 4038164), (13, 2174396), (14, 2019082), (26, 1087198), (28, 1009541), (52, 543599), (79, 357812), (91, 310628), (158, 178906), (182, 155314), (316, 89453), (364, 77657), (553, 51116), (983, 28756), (1027, 27524), (1106, 25558), (1966, 14378), (2054, 13762), (2212, 12779), (3932, 7189), (4108, 6881)]