28423590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2351}}^1$

素因数の和:2405

約数の個数: 64

約数和(自身を含む): 75866112

約数和(自身を除く): 47442522

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2351, 2418, 4030, 4702, 6045, 7053, 11755, 12090, 14106, 23510, 30563, 35265, 61126, 70530, 72881, 91689, 145762, 152815, 183378, 218643, 305630, 364405, 437286, 458445, 728810, 916890, 947453, 1093215, 1894906, 2186430, 2842359, 4737265, 5684718, 9474530, 14211795, 28423590]

約数ペア:

[(1, 28423590), (2, 14211795), (3, 9474530), (5, 5684718), (6, 4737265), (10, 2842359), (13, 2186430), (15, 1894906), (26, 1093215), (30, 947453), (31, 916890), (39, 728810), (62, 458445), (65, 437286), (78, 364405), (93, 305630), (130, 218643), (155, 183378), (186, 152815), (195, 145762), (310, 91689), (390, 72881), (403, 70530), (465, 61126), (806, 35265), (930, 30563), (1209, 23510), (2015, 14106), (2351, 12090), (2418, 11755), (4030, 7053), (4702, 6045)]