28487316

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1277}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 78581664

約数和(自身を除く): 50094348

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 169, 286, 338, 429, 507, 572, 676, 858, 1014, 1277, 1716, 1859, 2028, 2554, 3718, 3831, 5108, 5577, 7436, 7662, 11154, 14047, 15324, 16601, 22308, 28094, 33202, 42141, 49803, 56188, 66404, 84282, 99606, 168564, 182611, 199212, 215813, 365222, 431626, 547833, 647439, 730444, 863252, 1095666, 1294878, 2191332, 2373943, 2589756, 4747886, 7121829, 9495772, 14243658, 28487316]

約数ペア:

[(1, 28487316), (2, 14243658), (3, 9495772), (4, 7121829), (6, 4747886), (11, 2589756), (12, 2373943), (13, 2191332), (22, 1294878), (26, 1095666), (33, 863252), (39, 730444), (44, 647439), (52, 547833), (66, 431626), (78, 365222), (132, 215813), (143, 199212), (156, 182611), (169, 168564), (286, 99606), (338, 84282), (429, 66404), (507, 56188), (572, 49803), (676, 42141), (858, 33202), (1014, 28094), (1277, 22308), (1716, 16601), (1859, 15324), (2028, 14047), (2554, 11154), (3718, 7662), (3831, 7436), (5108, 5577)]