211231436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3191}}^1$

素因数の和:3294

約数の個数: 48

約数和(自身を含む): 425429760

約数和(自身を除く): 214198324

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 67, 76, 134, 247, 268, 494, 871, 988, 1273, 1742, 2546, 3191, 3484, 5092, 6382, 12764, 16549, 33098, 41483, 60629, 66196, 82966, 121258, 165932, 213797, 242516, 427594, 788177, 855188, 1576354, 2779361, 3152708, 4062143, 5558722, 8124286, 11117444, 16248572, 52807859, 105615718, 211231436]

約数ペア:

[(1, 211231436), (2, 105615718), (4, 52807859), (13, 16248572), (19, 11117444), (26, 8124286), (38, 5558722), (52, 4062143), (67, 3152708), (76, 2779361), (134, 1576354), (247, 855188), (268, 788177), (494, 427594), (871, 242516), (988, 213797), (1273, 165932), (1742, 121258), (2546, 82966), (3191, 66196), (3484, 60629), (5092, 41483), (6382, 33098), (12764, 16549)]