1887641584

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 3885822720

約数和(自身を除く): 1998181136

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 89, 122, 124, 178, 244, 248, 356, 488, 496, 701, 712, 976, 1402, 1424, 1891, 2759, 2804, 3782, 5429, 5518, 5608, 7564, 10858, 11036, 11216, 15128, 21716, 21731, 22072, 30256, 42761, 43432, 43462, 44144, 62389, 85522, 86864, 86924, 124778, 168299, 171044, 173848, 249556, 336598, 342088, 347696, 499112, 673196, 684176, 998224, 1325591, 1346392, 1934059, 2651182, 2692784, 3805729, 3868118, 5302364, 7611458, 7736236, 10604728, 15222916, 15472472, 21209456, 30445832, 30944944, 60891664, 117977599, 235955198, 471910396, 943820792, 1887641584]

約数ペア:

[(1, 1887641584), (2, 943820792), (4, 471910396), (8, 235955198), (16, 117977599), (31, 60891664), (61, 30944944), (62, 30445832), (89, 21209456), (122, 15472472), (124, 15222916), (178, 10604728), (244, 7736236), (248, 7611458), (356, 5302364), (488, 3868118), (496, 3805729), (701, 2692784), (712, 2651182), (976, 1934059), (1402, 1346392), (1424, 1325591), (1891, 998224), (2759, 684176), (2804, 673196), (3782, 499112), (5429, 347696), (5518, 342088), (5608, 336598), (7564, 249556), (10858, 173848), (11036, 171044), (11216, 168299), (15128, 124778), (21716, 86924), (21731, 86864), (22072, 85522), (30256, 62389), (42761, 44144), (43432, 43462)]