38644879

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 53114880

約数和(自身を除く): 14470001

約数列:

[1, 7, 13, 19, 31, 49, 91, 103, 133, 217, 247, 403, 589, 637, 721, 931, 1339, 1519, 1729, 1957, 2821, 3193, 4123, 5047, 7657, 9373, 12103, 13699, 19747, 22351, 25441, 28861, 41509, 53599, 60667, 65611, 95893, 156457, 178087, 290563, 375193, 424669, 788671, 1246609, 2033941, 2972683, 5520697, 38644879]

約数ペア:

[(1, 38644879), (7, 5520697), (13, 2972683), (19, 2033941), (31, 1246609), (49, 788671), (91, 424669), (103, 375193), (133, 290563), (217, 178087), (247, 156457), (403, 95893), (589, 65611), (637, 60667), (721, 53599), (931, 41509), (1339, 28861), (1519, 25441), (1729, 22351), (1957, 19747), (2821, 13699), (3193, 12103), (4123, 9373), (5047, 7657)]