649563378304

素因数分解:

$2^7\times {\mathrm{197}}^1\times {\mathrm{389}}^1\times {\mathrm{66221}}^1$

素因数の和:66821

約数の個数: 64

約数和(自身を含む): 1303984024200

約数和(自身を除く): 654420645896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 389, 394, 778, 788, 1556, 1576, 3112, 3152, 6224, 6304, 12448, 12608, 24896, 25216, 49792, 66221, 76633, 132442, 153266, 264884, 306532, 529768, 613064, 1059536, 1226128, 2119072, 2452256, 4238144, 4904512, 8476288, 9809024, 13045537, 25759969, 26091074, 51519938, 52182148, 103039876, 104364296, 206079752, 208728592, 412159504, 417457184, 824319008, 834914368, 1648638016, 1669828736, 3297276032, 5074713893, 10149427786, 20298855572, 40597711144, 81195422288, 162390844576, 324781689152, 649563378304]

約数ペア:

[(1, 649563378304), (2, 324781689152), (4, 162390844576), (8, 81195422288), (16, 40597711144), (32, 20298855572), (64, 10149427786), (128, 5074713893), (197, 3297276032), (389, 1669828736), (394, 1648638016), (778, 834914368), (788, 824319008), (1556, 417457184), (1576, 412159504), (3112, 208728592), (3152, 206079752), (6224, 104364296), (6304, 103039876), (12448, 52182148), (12608, 51519938), (24896, 26091074), (25216, 25759969), (49792, 13045537), (66221, 9809024), (76633, 8476288), (132442, 4904512), (153266, 4238144), (264884, 2452256), (306532, 2119072), (529768, 1226128), (613064, 1059536)]