643648288

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{38167}}^1$

素因数の和:38225

約数の個数: 48

約数和(自身を含む): 1385040384

約数和(自身を除く): 741392096

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 2108, 4216, 8432, 16864, 38167, 76334, 152668, 305336, 610672, 648839, 1183177, 1221344, 1297678, 2366354, 2595356, 4732708, 5190712, 9465416, 10381424, 18930832, 20114009, 20762848, 37861664, 40228018, 80456036, 160912072, 321824144, 643648288]

約数ペア:

[(1, 643648288), (2, 321824144), (4, 160912072), (8, 80456036), (16, 40228018), (17, 37861664), (31, 20762848), (32, 20114009), (34, 18930832), (62, 10381424), (68, 9465416), (124, 5190712), (136, 4732708), (248, 2595356), (272, 2366354), (496, 1297678), (527, 1221344), (544, 1183177), (992, 648839), (1054, 610672), (2108, 305336), (4216, 152668), (8432, 76334), (16864, 38167)]