1644005144

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 3267052800

約数和(自身を除く): 1623047656

約数列:

[1, 2, 4, 8, 31, 61, 62, 109, 122, 124, 218, 244, 248, 436, 488, 872, 997, 1891, 1994, 3379, 3782, 3988, 6649, 6758, 7564, 7976, 13298, 13516, 15128, 26596, 27032, 30907, 53192, 60817, 61814, 108673, 121634, 123628, 206119, 217346, 243268, 247256, 412238, 434692, 486536, 824476, 869384, 1648952, 1885327, 3368863, 3770654, 6629053, 6737726, 7541308, 13258106, 13475452, 15082616, 26516212, 26950904, 53032424, 205500643, 411001286, 822002572, 1644005144]

約数ペア:

[(1, 1644005144), (2, 822002572), (4, 411001286), (8, 205500643), (31, 53032424), (61, 26950904), (62, 26516212), (109, 15082616), (122, 13475452), (124, 13258106), (218, 7541308), (244, 6737726), (248, 6629053), (436, 3770654), (488, 3368863), (872, 1885327), (997, 1648952), (1891, 869384), (1994, 824476), (3379, 486536), (3782, 434692), (3988, 412238), (6649, 247256), (6758, 243268), (7564, 217346), (7976, 206119), (13298, 123628), (13516, 121634), (15128, 108673), (26596, 61814), (27032, 60817), (30907, 53192)]