28638428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2713}}^1$

素因数の和:2766

約数の個数: 48

約数和(自身を含む): 63833280

約数和(自身を除く): 35194852

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 2639, 2713, 5278, 5426, 10556, 10852, 18991, 35269, 37982, 70538, 75964, 78677, 141076, 157354, 246883, 314708, 493766, 550739, 987532, 1022801, 1101478, 2045602, 2202956, 4091204, 7159607, 14319214, 28638428]

約数ペア:

[(1, 28638428), (2, 14319214), (4, 7159607), (7, 4091204), (13, 2202956), (14, 2045602), (26, 1101478), (28, 1022801), (29, 987532), (52, 550739), (58, 493766), (91, 314708), (116, 246883), (182, 157354), (203, 141076), (364, 78677), (377, 75964), (406, 70538), (754, 37982), (812, 35269), (1508, 18991), (2639, 10852), (2713, 10556), (5278, 5426)]