128357936

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:346

約数の個数: 80

約数和(自身を含む): 292838400

約数和(自身を除く): 164480464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 89, 112, 158, 163, 178, 316, 326, 356, 553, 623, 632, 652, 712, 1106, 1141, 1246, 1264, 1304, 1424, 2212, 2282, 2492, 2608, 4424, 4564, 4984, 7031, 8848, 9128, 9968, 12877, 14062, 14507, 18256, 25754, 28124, 29014, 49217, 51508, 56248, 58028, 90139, 98434, 101549, 103016, 112496, 116056, 180278, 196868, 203098, 206032, 232112, 360556, 393736, 406196, 721112, 787472, 812392, 1146053, 1442224, 1624784, 2292106, 4584212, 8022371, 9168424, 16044742, 18336848, 32089484, 64178968, 128357936]

約数ペア:

[(1, 128357936), (2, 64178968), (4, 32089484), (7, 18336848), (8, 16044742), (14, 9168424), (16, 8022371), (28, 4584212), (56, 2292106), (79, 1624784), (89, 1442224), (112, 1146053), (158, 812392), (163, 787472), (178, 721112), (316, 406196), (326, 393736), (356, 360556), (553, 232112), (623, 206032), (632, 203098), (652, 196868), (712, 180278), (1106, 116056), (1141, 112496), (1246, 103016), (1264, 101549), (1304, 98434), (1424, 90139), (2212, 58028), (2282, 56248), (2492, 51508), (2608, 49217), (4424, 29014), (4564, 28124), (4984, 25754), (7031, 18256), (8848, 14507), (9128, 14062), (9968, 12877)]