64178968

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 141696000

約数和(自身を除く): 77517032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 89, 158, 163, 178, 316, 326, 356, 553, 623, 632, 652, 712, 1106, 1141, 1246, 1304, 2212, 2282, 2492, 4424, 4564, 4984, 7031, 9128, 12877, 14062, 14507, 25754, 28124, 29014, 49217, 51508, 56248, 58028, 90139, 98434, 101549, 103016, 116056, 180278, 196868, 203098, 360556, 393736, 406196, 721112, 812392, 1146053, 2292106, 4584212, 8022371, 9168424, 16044742, 32089484, 64178968]

約数ペア:

[(1, 64178968), (2, 32089484), (4, 16044742), (7, 9168424), (8, 8022371), (14, 4584212), (28, 2292106), (56, 1146053), (79, 812392), (89, 721112), (158, 406196), (163, 393736), (178, 360556), (316, 203098), (326, 196868), (356, 180278), (553, 116056), (623, 103016), (632, 101549), (652, 98434), (712, 90139), (1106, 58028), (1141, 56248), (1246, 51508), (1304, 49217), (2212, 29014), (2282, 28124), (2492, 25754), (4424, 14507), (4564, 14062), (4984, 12877), (7031, 9128)]