51555208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 106704000

約数和(自身を除く): 55148792

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 89, 103, 148, 152, 178, 206, 296, 356, 412, 703, 712, 824, 1406, 1691, 1957, 2812, 3293, 3382, 3811, 3914, 5624, 6586, 6764, 7622, 7828, 9167, 13172, 13528, 15244, 15656, 18334, 26344, 30488, 36668, 62567, 72409, 73336, 125134, 144818, 174173, 250268, 289636, 339179, 348346, 500536, 579272, 678358, 696692, 1356716, 1393384, 2713432, 6444401, 12888802, 25777604, 51555208]

約数ペア:

[(1, 51555208), (2, 25777604), (4, 12888802), (8, 6444401), (19, 2713432), (37, 1393384), (38, 1356716), (74, 696692), (76, 678358), (89, 579272), (103, 500536), (148, 348346), (152, 339179), (178, 289636), (206, 250268), (296, 174173), (356, 144818), (412, 125134), (703, 73336), (712, 72409), (824, 62567), (1406, 36668), (1691, 30488), (1957, 26344), (2812, 18334), (3293, 15656), (3382, 15244), (3811, 13528), (3914, 13172), (5624, 9167), (6586, 7828), (6764, 7622)]