161925710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{5869}}^1$

素因数の和:5996

約数の個数: 32

約数和(自身を含む): 304300800

約数和(自身を除く): 142375090

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 5518, 5869, 11738, 13795, 27590, 29345, 58690, 181939, 363878, 522341, 909695, 1044682, 1819390, 2611705, 5223410, 16192571, 32385142, 80962855, 161925710]

約数ペア:

[(1, 161925710), (2, 80962855), (5, 32385142), (10, 16192571), (31, 5223410), (62, 2611705), (89, 1819390), (155, 1044682), (178, 909695), (310, 522341), (445, 363878), (890, 181939), (2759, 58690), (5518, 29345), (5869, 27590), (11738, 13795)]