261832788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2671}}^1$

素因数の和:3077

約数の個数: 72

約数和(自身を含む): 758634240

約数和(自身を除く): 496801452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 389, 778, 1167, 1556, 2334, 2671, 2723, 3501, 4668, 5342, 5446, 7002, 8013, 8169, 10684, 10892, 14004, 16026, 16338, 18697, 24039, 24507, 32052, 32676, 37394, 48078, 49014, 56091, 74788, 96156, 98028, 112182, 168273, 224364, 336546, 673092, 1039019, 2078038, 3117057, 4156076, 6234114, 7273133, 9351171, 12468228, 14546266, 18702342, 21819399, 29092532, 37404684, 43638798, 65458197, 87277596, 130916394, 261832788]

約数ペア:

[(1, 261832788), (2, 130916394), (3, 87277596), (4, 65458197), (6, 43638798), (7, 37404684), (9, 29092532), (12, 21819399), (14, 18702342), (18, 14546266), (21, 12468228), (28, 9351171), (36, 7273133), (42, 6234114), (63, 4156076), (84, 3117057), (126, 2078038), (252, 1039019), (389, 673092), (778, 336546), (1167, 224364), (1556, 168273), (2334, 112182), (2671, 98028), (2723, 96156), (3501, 74788), (4668, 56091), (5342, 49014), (5446, 48078), (7002, 37394), (8013, 32676), (8169, 32052), (10684, 24507), (10892, 24039), (14004, 18697), (16026, 16338)]