89905816

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 230630400

約数和(自身を除く): 140724584

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 103, 104, 109, 143, 154, 182, 206, 218, 286, 308, 364, 412, 436, 572, 616, 721, 728, 763, 824, 872, 1001, 1133, 1144, 1199, 1339, 1417, 1442, 1526, 2002, 2266, 2398, 2678, 2834, 2884, 3052, 4004, 4532, 4796, 5356, 5668, 5768, 6104, 7931, 8008, 8393, 9064, 9373, 9592, 9919, 10712, 11227, 11336, 14729, 15587, 15862, 16786, 18746, 19838, 22454, 29458, 31174, 31724, 33572, 37492, 39676, 44908, 58916, 62348, 63448, 67144, 74984, 78589, 79352, 89816, 103103, 109109, 117832, 123497, 124696, 145951, 157178, 206206, 218218, 246994, 291902, 314356, 412412, 436436, 493988, 583804, 628712, 824824, 864479, 872872, 987976, 1021657, 1167608, 1605461, 1728958, 2043314, 3210922, 3457916, 4086628, 6421844, 6915832, 8173256, 11238227, 12843688, 22476454, 44952908, 89905816]

約数ペア:

[(1, 89905816), (2, 44952908), (4, 22476454), (7, 12843688), (8, 11238227), (11, 8173256), (13, 6915832), (14, 6421844), (22, 4086628), (26, 3457916), (28, 3210922), (44, 2043314), (52, 1728958), (56, 1605461), (77, 1167608), (88, 1021657), (91, 987976), (103, 872872), (104, 864479), (109, 824824), (143, 628712), (154, 583804), (182, 493988), (206, 436436), (218, 412412), (286, 314356), (308, 291902), (364, 246994), (412, 218218), (436, 206206), (572, 157178), (616, 145951), (721, 124696), (728, 123497), (763, 117832), (824, 109109), (872, 103103), (1001, 89816), (1133, 79352), (1144, 78589), (1199, 74984), (1339, 67144), (1417, 63448), (1442, 62348), (1526, 58916), (2002, 44908), (2266, 39676), (2398, 37492), (2678, 33572), (2834, 31724), (2884, 31174), (3052, 29458), (4004, 22454), (4532, 19838), (4796, 18746), (5356, 16786), (5668, 15862), (5768, 15587), (6104, 14729), (7931, 11336), (8008, 11227), (8393, 10712), (9064, 9919), (9373, 9592)]