1290991108

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 2584485792

約数和(自身を除く): 1293494684

約数列:

[1, 2, 4, 11, 22, 41, 44, 67, 82, 121, 134, 164, 242, 268, 451, 484, 737, 902, 971, 1474, 1804, 1942, 2747, 2948, 3884, 4961, 5494, 8107, 9922, 10681, 10988, 16214, 19844, 21362, 30217, 32428, 39811, 42724, 60434, 65057, 79622, 117491, 120868, 130114, 159244, 234982, 260228, 332387, 437921, 469964, 664774, 715627, 875842, 1329548, 1431254, 1751684, 2667337, 2862508, 4817131, 5334674, 7871897, 9634262, 10669348, 15743794, 19268524, 29340707, 31487588, 58681414, 117362828, 322747777, 645495554, 1290991108]

約数ペア:

[(1, 1290991108), (2, 645495554), (4, 322747777), (11, 117362828), (22, 58681414), (41, 31487588), (44, 29340707), (67, 19268524), (82, 15743794), (121, 10669348), (134, 9634262), (164, 7871897), (242, 5334674), (268, 4817131), (451, 2862508), (484, 2667337), (737, 1751684), (902, 1431254), (971, 1329548), (1474, 875842), (1804, 715627), (1942, 664774), (2747, 469964), (2948, 437921), (3884, 332387), (4961, 260228), (5494, 234982), (8107, 159244), (9922, 130114), (10681, 120868), (10988, 117491), (16214, 79622), (19844, 65057), (21362, 60434), (30217, 42724), (32428, 39811)]