399322532

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{2063}}^1$

素因数の和:2328

約数の個数: 48

約数和(自身を含む): 828506112

約数和(自身を除く): 429183580

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 223, 434, 446, 868, 892, 1561, 2063, 3122, 4126, 6244, 6913, 8252, 13826, 14441, 27652, 28882, 48391, 57764, 63953, 96782, 127906, 193564, 255812, 447671, 460049, 895342, 920098, 1790684, 1840196, 3220343, 6440686, 12881372, 14261519, 28523038, 57046076, 99830633, 199661266, 399322532]

約数ペア:

[(1, 399322532), (2, 199661266), (4, 99830633), (7, 57046076), (14, 28523038), (28, 14261519), (31, 12881372), (62, 6440686), (124, 3220343), (217, 1840196), (223, 1790684), (434, 920098), (446, 895342), (868, 460049), (892, 447671), (1561, 255812), (2063, 193564), (3122, 127906), (4126, 96782), (6244, 63953), (6913, 57764), (8252, 48391), (13826, 28882), (14441, 27652)]