15707932981

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 17827128000

約数和(自身を除く): 2119195019

約数列:

[1, 13, 43, 89, 149, 163, 169, 559, 1157, 1937, 2119, 3827, 6407, 7009, 7267, 13261, 14507, 15041, 24287, 25181, 27547, 49751, 83291, 91117, 172393, 188591, 315731, 570223, 623801, 646763, 1044341, 1082783, 1184521, 2161543, 2241109, 2451683, 4104503, 7412899, 8109413, 13576433, 28100059, 92946349, 96367687, 105422369, 176493629, 365300767, 1208302537, 15707932981]

約数ペア:

[(1, 15707932981), (13, 1208302537), (43, 365300767), (89, 176493629), (149, 105422369), (163, 96367687), (169, 92946349), (559, 28100059), (1157, 13576433), (1937, 8109413), (2119, 7412899), (3827, 4104503), (6407, 2451683), (7009, 2241109), (7267, 2161543), (13261, 1184521), (14507, 1082783), (15041, 1044341), (24287, 646763), (25181, 623801), (27547, 570223), (49751, 315731), (83291, 188591), (91117, 172393)]