520015678

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{5867}}^1$

素因数の和:6376

約数の個数: 32

約数和(自身を含む): 962164224

約数和(自身を除く): 442148546

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 487, 974, 3409, 5867, 6331, 6818, 11734, 12662, 41069, 44317, 76271, 82138, 88634, 152542, 533897, 1067794, 2857229, 5714458, 20000603, 37143977, 40001206, 74287954, 260007839, 520015678]

約数ペア:

[(1, 520015678), (2, 260007839), (7, 74287954), (13, 40001206), (14, 37143977), (26, 20000603), (91, 5714458), (182, 2857229), (487, 1067794), (974, 533897), (3409, 152542), (5867, 88634), (6331, 82138), (6818, 76271), (11734, 44317), (12662, 41069)]