81980668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{14009}}^1$

素因数の和:14050

約数の個数: 48

約数和(自身を含む): 188294400

約数和(自身を除く): 106313732

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 14009, 28018, 56036, 98063, 154099, 196126, 266171, 308198, 392252, 532342, 616396, 1064684, 1078693, 1863197, 2157386, 2927881, 3726394, 4314772, 5855762, 7452788, 11711524, 20495167, 40990334, 81980668]

約数ペア:

[(1, 81980668), (2, 40990334), (4, 20495167), (7, 11711524), (11, 7452788), (14, 5855762), (19, 4314772), (22, 3726394), (28, 2927881), (38, 2157386), (44, 1863197), (76, 1078693), (77, 1064684), (133, 616396), (154, 532342), (209, 392252), (266, 308198), (308, 266171), (418, 196126), (532, 154099), (836, 98063), (1463, 56036), (2926, 28018), (5852, 14009)]