208946556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63781}}^1$

素因数の和:63811

約数の個数: 72

約数和(自身を含む): 650066144

約数和(自身を除く): 441119588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 63781, 127562, 191343, 255124, 382686, 446467, 574029, 765372, 829153, 892934, 1148058, 1339401, 1658306, 1785868, 2296116, 2487459, 2678802, 3316612, 4018203, 4974918, 5357604, 5804071, 7462377, 8036406, 9949836, 11608142, 14924754, 16072812, 17412213, 23216284, 29849508, 34824426, 52236639, 69648852, 104473278, 208946556]

約数ペア:

[(1, 208946556), (2, 104473278), (3, 69648852), (4, 52236639), (6, 34824426), (7, 29849508), (9, 23216284), (12, 17412213), (13, 16072812), (14, 14924754), (18, 11608142), (21, 9949836), (26, 8036406), (28, 7462377), (36, 5804071), (39, 5357604), (42, 4974918), (52, 4018203), (63, 3316612), (78, 2678802), (84, 2487459), (91, 2296116), (117, 1785868), (126, 1658306), (156, 1339401), (182, 1148058), (234, 892934), (252, 829153), (273, 765372), (364, 574029), (468, 446467), (546, 382686), (819, 255124), (1092, 191343), (1638, 127562), (3276, 63781)]