15661221008

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{1093}}^1$

素因数の和:1492

約数の個数: 80

約数和(自身を含む): 31565252016

約数和(自身を除く): 15904031008

約数列:

[1, 2, 4, 8, 16, 53, 61, 106, 122, 212, 244, 277, 424, 488, 554, 848, 976, 1093, 1108, 2186, 2216, 3233, 4372, 4432, 6466, 8744, 12932, 14681, 16897, 17488, 25864, 29362, 33794, 51728, 57929, 58724, 66673, 67588, 115858, 117448, 133346, 135176, 231716, 234896, 266692, 270352, 302761, 463432, 533384, 605522, 895541, 926864, 1066768, 1211044, 1791082, 2422088, 3533669, 3582164, 4844176, 7067338, 7164328, 14134676, 14328656, 16046333, 18468421, 28269352, 32092666, 36936842, 56538704, 64185332, 73873684, 128370664, 147747368, 256741328, 295494736, 978826313, 1957652626, 3915305252, 7830610504, 15661221008]

約数ペア:

[(1, 15661221008), (2, 7830610504), (4, 3915305252), (8, 1957652626), (16, 978826313), (53, 295494736), (61, 256741328), (106, 147747368), (122, 128370664), (212, 73873684), (244, 64185332), (277, 56538704), (424, 36936842), (488, 32092666), (554, 28269352), (848, 18468421), (976, 16046333), (1093, 14328656), (1108, 14134676), (2186, 7164328), (2216, 7067338), (3233, 4844176), (4372, 3582164), (4432, 3533669), (6466, 2422088), (8744, 1791082), (12932, 1211044), (14681, 1066768), (16897, 926864), (17488, 895541), (25864, 605522), (29362, 533384), (33794, 463432), (51728, 302761), (57929, 270352), (58724, 266692), (66673, 234896), (67588, 231716), (115858, 135176), (117448, 133346)]