131014975

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 214725840

約数和(自身を除く): 83710865

約数列:

[1, 5, 7, 13, 19, 25, 35, 49, 65, 91, 95, 133, 175, 245, 247, 325, 433, 455, 475, 637, 665, 931, 1225, 1235, 1729, 2165, 2275, 3031, 3185, 3325, 4655, 5629, 6175, 8227, 8645, 10825, 12103, 15155, 15925, 21217, 23275, 28145, 39403, 41135, 43225, 57589, 60515, 75775, 106085, 106951, 140725, 197015, 205675, 275821, 287945, 302575, 403123, 530425, 534755, 748657, 985075, 1379105, 1439725, 2015615, 2673775, 3743285, 5240599, 6895525, 10078075, 18716425, 26202995, 131014975]

約数ペア:

[(1, 131014975), (5, 26202995), (7, 18716425), (13, 10078075), (19, 6895525), (25, 5240599), (35, 3743285), (49, 2673775), (65, 2015615), (91, 1439725), (95, 1379105), (133, 985075), (175, 748657), (245, 534755), (247, 530425), (325, 403123), (433, 302575), (455, 287945), (475, 275821), (637, 205675), (665, 197015), (931, 140725), (1225, 106951), (1235, 106085), (1729, 75775), (2165, 60515), (2275, 57589), (3031, 43225), (3185, 41135), (3325, 39403), (4655, 28145), (5629, 23275), (6175, 21217), (8227, 15925), (8645, 15155), (10825, 12103)]