1561604364

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{2417}}^1$

素因数の和:2695

約数の個数: 72

約数和(自身を含む): 4008212208

約数和(自身を除く): 2446607844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 137, 262, 274, 393, 411, 524, 548, 786, 822, 1179, 1233, 1572, 1644, 2358, 2417, 2466, 4716, 4834, 4932, 7251, 9668, 14502, 17947, 21753, 29004, 35894, 43506, 53841, 71788, 87012, 107682, 161523, 215364, 316627, 323046, 331129, 633254, 646092, 662258, 949881, 993387, 1266508, 1324516, 1899762, 1986774, 2849643, 2980161, 3799524, 3973548, 5699286, 5960322, 11398572, 11920644, 43377899, 86755798, 130133697, 173511596, 260267394, 390401091, 520534788, 780802182, 1561604364]

約数ペア:

[(1, 1561604364), (2, 780802182), (3, 520534788), (4, 390401091), (6, 260267394), (9, 173511596), (12, 130133697), (18, 86755798), (36, 43377899), (131, 11920644), (137, 11398572), (262, 5960322), (274, 5699286), (393, 3973548), (411, 3799524), (524, 2980161), (548, 2849643), (786, 1986774), (822, 1899762), (1179, 1324516), (1233, 1266508), (1572, 993387), (1644, 949881), (2358, 662258), (2417, 646092), (2466, 633254), (4716, 331129), (4834, 323046), (4932, 316627), (7251, 215364), (9668, 161523), (14502, 107682), (17947, 87012), (21753, 71788), (29004, 53841), (35894, 43506)]