31641515138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{62791}}^1$

素因数の和:63050

約数の個数: 32

約数和(自身を含む): 50861520000

約数和(自身を除く): 19220004862

約数列:

[1, 2, 19, 38, 89, 149, 178, 298, 1691, 2831, 3382, 5662, 13261, 26522, 62791, 125582, 251959, 503918, 1193029, 2386058, 5588399, 9355859, 11176798, 18711718, 106179581, 177761321, 212359162, 355522642, 832671451, 1665342902, 15820757569, 31641515138]

約数ペア:

[(1, 31641515138), (2, 15820757569), (19, 1665342902), (38, 832671451), (89, 355522642), (149, 212359162), (178, 177761321), (298, 106179581), (1691, 18711718), (2831, 11176798), (3382, 9355859), (5662, 5588399), (13261, 2386058), (26522, 1193029), (62791, 503918), (125582, 251959)]