128828664

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31391}}^1$

素因数の和:31425

約数の個数: 64

約数和(自身を含む): 376704000

約数和(自身を除く): 247875336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 456, 513, 684, 1026, 1368, 2052, 4104, 31391, 62782, 94173, 125564, 188346, 251128, 282519, 376692, 565038, 596429, 753384, 847557, 1130076, 1192858, 1695114, 1789287, 2260152, 2385716, 3390228, 3578574, 4771432, 5367861, 6780456, 7157148, 10735722, 14314296, 16103583, 21471444, 32207166, 42942888, 64414332, 128828664]

約数ペア:

[(1, 128828664), (2, 64414332), (3, 42942888), (4, 32207166), (6, 21471444), (8, 16103583), (9, 14314296), (12, 10735722), (18, 7157148), (19, 6780456), (24, 5367861), (27, 4771432), (36, 3578574), (38, 3390228), (54, 2385716), (57, 2260152), (72, 1789287), (76, 1695114), (108, 1192858), (114, 1130076), (152, 847557), (171, 753384), (216, 596429), (228, 565038), (342, 376692), (456, 282519), (513, 251128), (684, 188346), (1026, 125564), (1368, 94173), (2052, 62782), (4104, 31391)]