287448512

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20323}}^1$

素因数の和:20365

約数の個数: 56

約数和(自身を含む): 650449296

約数和(自身を除く): 363000784

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1768, 3536, 7072, 14144, 20323, 40646, 81292, 162584, 264199, 325168, 345491, 528398, 650336, 690982, 1056796, 1300672, 1381964, 2113592, 2763928, 4227184, 4491383, 5527856, 8454368, 8982766, 11055712, 16908736, 17965532, 22111424, 35931064, 71862128, 143724256, 287448512]

約数ペア:

[(1, 287448512), (2, 143724256), (4, 71862128), (8, 35931064), (13, 22111424), (16, 17965532), (17, 16908736), (26, 11055712), (32, 8982766), (34, 8454368), (52, 5527856), (64, 4491383), (68, 4227184), (104, 2763928), (136, 2113592), (208, 1381964), (221, 1300672), (272, 1056796), (416, 690982), (442, 650336), (544, 528398), (832, 345491), (884, 325168), (1088, 264199), (1768, 162584), (3536, 81292), (7072, 40646), (14144, 20323)]