81900537296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1\times {\mathrm{1213}}^1$

素因数の和:2140

約数の個数: 80

約数和(自身を含む): 165006724608

約数和(自身を除く): 83106187312

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 197, 248, 394, 496, 691, 788, 1213, 1382, 1576, 2426, 2764, 3152, 4852, 5528, 6107, 9704, 11056, 12214, 19408, 21421, 24428, 37603, 42842, 48856, 75206, 85684, 97712, 136127, 150412, 171368, 238961, 272254, 300824, 342736, 477922, 544508, 601648, 838183, 955844, 1089016, 1676366, 1911688, 2178032, 3352732, 3823376, 4219937, 6705464, 7407791, 8439874, 13410928, 14815582, 16879748, 25983673, 29631164, 33759496, 51967346, 59262328, 67518992, 103934692, 118524656, 165122051, 207869384, 330244102, 415738768, 660488204, 1320976408, 2641952816, 5118783581, 10237567162, 20475134324, 40950268648, 81900537296]

約数ペア:

[(1, 81900537296), (2, 40950268648), (4, 20475134324), (8, 10237567162), (16, 5118783581), (31, 2641952816), (62, 1320976408), (124, 660488204), (197, 415738768), (248, 330244102), (394, 207869384), (496, 165122051), (691, 118524656), (788, 103934692), (1213, 67518992), (1382, 59262328), (1576, 51967346), (2426, 33759496), (2764, 29631164), (3152, 25983673), (4852, 16879748), (5528, 14815582), (6107, 13410928), (9704, 8439874), (11056, 7407791), (12214, 6705464), (19408, 4219937), (21421, 3823376), (24428, 3352732), (37603, 2178032), (42842, 1911688), (48856, 1676366), (75206, 1089016), (85684, 955844), (97712, 838183), (136127, 601648), (150412, 544508), (171368, 477922), (238961, 342736), (272254, 300824)]