7880454985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:598

約数の個数: 64

約数和(自身を含む): 10729635840

約数和(自身を除く): 2849180855

約数列:

[1, 5, 13, 43, 47, 65, 215, 235, 239, 251, 559, 611, 1195, 1255, 2021, 2795, 3055, 3107, 3263, 10105, 10277, 10793, 11233, 11797, 15535, 16315, 26273, 51385, 53965, 56165, 58985, 59989, 131365, 133601, 140309, 146029, 153361, 299945, 483019, 507271, 668005, 701545, 730145, 766805, 779857, 2415095, 2536355, 2579527, 2819483, 3899285, 6279247, 6594523, 12897635, 14097415, 31396235, 32972615, 33533851, 36653279, 121237769, 167669255, 183266395, 606188845, 1576090997, 7880454985]

約数ペア:

[(1, 7880454985), (5, 1576090997), (13, 606188845), (43, 183266395), (47, 167669255), (65, 121237769), (215, 36653279), (235, 33533851), (239, 32972615), (251, 31396235), (559, 14097415), (611, 12897635), (1195, 6594523), (1255, 6279247), (2021, 3899285), (2795, 2819483), (3055, 2579527), (3107, 2536355), (3263, 2415095), (10105, 779857), (10277, 766805), (10793, 730145), (11233, 701545), (11797, 668005), (15535, 507271), (16315, 483019), (26273, 299945), (51385, 153361), (53965, 146029), (56165, 140309), (58985, 133601), (59989, 131365)]