261552214

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1259}}^1$

素因数の和:1369

約数の個数: 64

約数和(自身を含む): 522547200

約数和(自身を除く): 260994986

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 71, 77, 133, 142, 154, 209, 266, 418, 497, 781, 994, 1259, 1349, 1463, 1562, 2518, 2698, 2926, 5467, 8813, 9443, 10934, 13849, 14839, 17626, 18886, 23921, 27698, 29678, 47842, 89389, 96943, 103873, 167447, 178778, 193886, 207746, 263131, 334894, 526262, 625723, 983279, 1251446, 1698391, 1841917, 1966558, 3396782, 3683834, 6882953, 11888737, 13765906, 18682301, 23777474, 37364602, 130776107, 261552214]

約数ペア:

[(1, 261552214), (2, 130776107), (7, 37364602), (11, 23777474), (14, 18682301), (19, 13765906), (22, 11888737), (38, 6882953), (71, 3683834), (77, 3396782), (133, 1966558), (142, 1841917), (154, 1698391), (209, 1251446), (266, 983279), (418, 625723), (497, 526262), (781, 334894), (994, 263131), (1259, 207746), (1349, 193886), (1463, 178778), (1562, 167447), (2518, 103873), (2698, 96943), (2926, 89389), (5467, 47842), (8813, 29678), (9443, 27698), (10934, 23921), (13849, 18886), (14839, 17626)]