28757950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{293}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 58183776

約数和(自身を除く): 29425826

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 151, 293, 302, 325, 586, 650, 755, 1465, 1510, 1963, 2930, 3775, 3809, 3926, 7325, 7550, 7618, 9815, 14650, 19045, 19630, 38090, 44243, 49075, 88486, 95225, 98150, 190450, 221215, 442430, 575159, 1106075, 1150318, 2212150, 2875795, 5751590, 14378975, 28757950]

約数ペア:

[(1, 28757950), (2, 14378975), (5, 5751590), (10, 2875795), (13, 2212150), (25, 1150318), (26, 1106075), (50, 575159), (65, 442430), (130, 221215), (151, 190450), (293, 98150), (302, 95225), (325, 88486), (586, 49075), (650, 44243), (755, 38090), (1465, 19630), (1510, 19045), (1963, 14650), (2930, 9815), (3775, 7618), (3809, 7550), (3926, 7325)]