291225228

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{523}}^1\times {\mathrm{947}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 792816192

約数和(自身を除く): 501590964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 523, 588, 947, 1046, 1569, 1894, 2092, 2841, 3138, 3661, 3788, 5682, 6276, 6629, 7322, 10983, 11364, 13258, 14644, 19887, 21966, 25627, 26516, 39774, 43932, 46403, 51254, 76881, 79548, 92806, 102508, 139209, 153762, 185612, 278418, 307524, 495281, 556836, 990562, 1485843, 1981124, 2971686, 3466967, 5943372, 6933934, 10400901, 13867868, 20801802, 24268769, 41603604, 48537538, 72806307, 97075076, 145612614, 291225228]

約数ペア:

[(1, 291225228), (2, 145612614), (3, 97075076), (4, 72806307), (6, 48537538), (7, 41603604), (12, 24268769), (14, 20801802), (21, 13867868), (28, 10400901), (42, 6933934), (49, 5943372), (84, 3466967), (98, 2971686), (147, 1981124), (196, 1485843), (294, 990562), (523, 556836), (588, 495281), (947, 307524), (1046, 278418), (1569, 185612), (1894, 153762), (2092, 139209), (2841, 102508), (3138, 92806), (3661, 79548), (3788, 76881), (5682, 51254), (6276, 46403), (6629, 43932), (7322, 39774), (10983, 26516), (11364, 25627), (13258, 21966), (14644, 19887)]