291888716

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 626766336

約数和(自身を除く): 334877620

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 361, 431, 469, 532, 722, 862, 938, 1273, 1444, 1724, 1876, 2527, 2546, 3017, 5054, 5092, 6034, 8189, 8911, 10108, 12068, 16378, 17822, 24187, 28877, 32756, 35644, 48374, 57323, 57754, 96748, 114646, 115508, 155591, 169309, 202139, 229292, 311182, 338618, 404278, 548663, 622364, 677236, 808556, 1089137, 1097326, 2178274, 2194652, 3840641, 4356548, 7681282, 10424597, 15362564, 20849194, 41698388, 72972179, 145944358, 291888716]

約数ペア:

[(1, 291888716), (2, 145944358), (4, 72972179), (7, 41698388), (14, 20849194), (19, 15362564), (28, 10424597), (38, 7681282), (67, 4356548), (76, 3840641), (133, 2194652), (134, 2178274), (266, 1097326), (268, 1089137), (361, 808556), (431, 677236), (469, 622364), (532, 548663), (722, 404278), (862, 338618), (938, 311182), (1273, 229292), (1444, 202139), (1724, 169309), (1876, 155591), (2527, 115508), (2546, 114646), (3017, 96748), (5054, 57754), (5092, 57323), (6034, 48374), (8189, 35644), (8911, 32756), (10108, 28877), (12068, 24187), (16378, 17822)]