28881684

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{6857}}^1$

素因数の和:6886

約数の個数: 60

約数和(自身を含む): 81322164

約数和(自身を除く): 52440480

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 6857, 13714, 20571, 27428, 41142, 61713, 82284, 89141, 123426, 178282, 185139, 246852, 267423, 356564, 370278, 534846, 555417, 740556, 802269, 1069692, 1110834, 1604538, 2221668, 2406807, 3209076, 4813614, 7220421, 9627228, 14440842, 28881684]

約数ペア:

[(1, 28881684), (2, 14440842), (3, 9627228), (4, 7220421), (6, 4813614), (9, 3209076), (12, 2406807), (13, 2221668), (18, 1604538), (26, 1110834), (27, 1069692), (36, 802269), (39, 740556), (52, 555417), (54, 534846), (78, 370278), (81, 356564), (108, 267423), (117, 246852), (156, 185139), (162, 178282), (234, 123426), (324, 89141), (351, 82284), (468, 61713), (702, 41142), (1053, 27428), (1404, 20571), (2106, 13714), (4212, 6857)]