1668996888

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{144577}}^1$

素因数の和:144636

約数の個数: 64

約数和(自身を含む): 4614929760

約数和(自身を除く): 2945932872

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1924, 2886, 3848, 5772, 11544, 144577, 289154, 433731, 578308, 867462, 1156616, 1734924, 1879501, 3469848, 3759002, 5349349, 5638503, 7518004, 10698698, 11277006, 15036008, 16048047, 21397396, 22554012, 32096094, 42794792, 45108024, 64192188, 69541537, 128384376, 139083074, 208624611, 278166148, 417249222, 556332296, 834498444, 1668996888]

約数ペア:

[(1, 1668996888), (2, 834498444), (3, 556332296), (4, 417249222), (6, 278166148), (8, 208624611), (12, 139083074), (13, 128384376), (24, 69541537), (26, 64192188), (37, 45108024), (39, 42794792), (52, 32096094), (74, 22554012), (78, 21397396), (104, 16048047), (111, 15036008), (148, 11277006), (156, 10698698), (222, 7518004), (296, 5638503), (312, 5349349), (444, 3759002), (481, 3469848), (888, 1879501), (962, 1734924), (1443, 1156616), (1924, 867462), (2886, 578308), (3848, 433731), (5772, 289154), (11544, 144577)]