81674008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41333}}^1$

素因数の和:41371

約数の個数: 32

約数和(自身を含む): 173602800

約数和(自身を除く): 91928792

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 41333, 82666, 165332, 330664, 537329, 785327, 1074658, 1570654, 2149316, 3141308, 4298632, 6282616, 10209251, 20418502, 40837004, 81674008]

約数ペア:

[(1, 81674008), (2, 40837004), (4, 20418502), (8, 10209251), (13, 6282616), (19, 4298632), (26, 3141308), (38, 2149316), (52, 1570654), (76, 1074658), (104, 785327), (152, 537329), (247, 330664), (494, 165332), (988, 82666), (1976, 41333)]