28758210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3881}}^1$

素因数の和:3923

約数の個数: 64

約数和(自身を含む): 78261120

約数和(自身を除く): 49502910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 3705, 3881, 7410, 7762, 11643, 19405, 23286, 38810, 50453, 58215, 73739, 100906, 116430, 147478, 151359, 221217, 252265, 302718, 368695, 442434, 504530, 737390, 756795, 958607, 1106085, 1513590, 1917214, 2212170, 2875821, 4793035, 5751642, 9586070, 14379105, 28758210]

約数ペア:

[(1, 28758210), (2, 14379105), (3, 9586070), (5, 5751642), (6, 4793035), (10, 2875821), (13, 2212170), (15, 1917214), (19, 1513590), (26, 1106085), (30, 958607), (38, 756795), (39, 737390), (57, 504530), (65, 442434), (78, 368695), (95, 302718), (114, 252265), (130, 221217), (190, 151359), (195, 147478), (247, 116430), (285, 100906), (390, 73739), (494, 58215), (570, 50453), (741, 38810), (1235, 23286), (1482, 19405), (2470, 11643), (3705, 7762), (3881, 7410)]