28866136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 63957600

約数和(自身を除く): 35091464

約数列:

[1, 2, 4, 8, 13, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 221, 232, 377, 442, 493, 563, 754, 884, 986, 1126, 1508, 1768, 1972, 2252, 3016, 3944, 4504, 6409, 7319, 9571, 12818, 14638, 16327, 19142, 25636, 29276, 32654, 38284, 51272, 58552, 65308, 76568, 124423, 130616, 212251, 248846, 277559, 424502, 497692, 555118, 849004, 995384, 1110236, 1698008, 2220472, 3608267, 7216534, 14433068, 28866136]

約数ペア:

[(1, 28866136), (2, 14433068), (4, 7216534), (8, 3608267), (13, 2220472), (17, 1698008), (26, 1110236), (29, 995384), (34, 849004), (52, 555118), (58, 497692), (68, 424502), (104, 277559), (116, 248846), (136, 212251), (221, 130616), (232, 124423), (377, 76568), (442, 65308), (493, 58552), (563, 51272), (754, 38284), (884, 32654), (986, 29276), (1126, 25636), (1508, 19142), (1768, 16327), (1972, 14638), (2252, 12818), (3016, 9571), (3944, 7319), (4504, 6409)]