30180488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{557}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 61167960

約数和(自身を除く): 30987472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 521, 557, 1042, 1114, 2084, 2228, 4168, 4456, 6773, 7241, 13546, 14482, 27092, 28964, 54184, 57928, 290197, 580394, 1160788, 2321576, 3772561, 7545122, 15090244, 30180488]

約数ペア:

[(1, 30180488), (2, 15090244), (4, 7545122), (8, 3772561), (13, 2321576), (26, 1160788), (52, 580394), (104, 290197), (521, 57928), (557, 54184), (1042, 28964), (1114, 27092), (2084, 14482), (2228, 13546), (4168, 7241), (4456, 6773)]