1221058864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{677}}^1$

素因数の和:1070

約数の個数: 80

約数和(自身を含む): 2648268000

約数和(自身を除く): 1427209136

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 349, 646, 677, 698, 1292, 1354, 1396, 2584, 2708, 2792, 5168, 5416, 5584, 5933, 6631, 10832, 11509, 11866, 12863, 13262, 23018, 23732, 25726, 26524, 46036, 47464, 51452, 53048, 92072, 94928, 102904, 106096, 112727, 184144, 205808, 218671, 225454, 236273, 437342, 450908, 472546, 874684, 901816, 945092, 1749368, 1803632, 1890184, 3498736, 3780368, 4016641, 4489187, 8033282, 8978374, 16066564, 17956748, 32133128, 35913496, 64266256, 71826992, 76316179, 152632358, 305264716, 610529432, 1221058864]

約数ペア:

[(1, 1221058864), (2, 610529432), (4, 305264716), (8, 152632358), (16, 76316179), (17, 71826992), (19, 64266256), (34, 35913496), (38, 32133128), (68, 17956748), (76, 16066564), (136, 8978374), (152, 8033282), (272, 4489187), (304, 4016641), (323, 3780368), (349, 3498736), (646, 1890184), (677, 1803632), (698, 1749368), (1292, 945092), (1354, 901816), (1396, 874684), (2584, 472546), (2708, 450908), (2792, 437342), (5168, 236273), (5416, 225454), (5584, 218671), (5933, 205808), (6631, 184144), (10832, 112727), (11509, 106096), (11866, 102904), (12863, 94928), (13262, 92072), (23018, 53048), (23732, 51452), (25726, 47464), (26524, 46036)]