15888919490

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{840239}}^1$

素因数の和:840338

約数の個数: 32

約数和(自身を含む): 30006650880

約数和(自身を除く): 14117731390

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 3782, 9455, 18910, 840239, 1680478, 4201195, 8402390, 26047409, 51254579, 52094818, 102509158, 130237045, 256272895, 260474090, 512545790, 1588891949, 3177783898, 7944459745, 15888919490]

約数ペア:

[(1, 15888919490), (2, 7944459745), (5, 3177783898), (10, 1588891949), (31, 512545790), (61, 260474090), (62, 256272895), (122, 130237045), (155, 102509158), (305, 52094818), (310, 51254579), (610, 26047409), (1891, 8402390), (3782, 4201195), (9455, 1680478), (18910, 840239)]