213998975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 295293600

約数和(自身を除く): 81294625

約数列:

[1, 5, 17, 25, 29, 85, 97, 145, 179, 425, 485, 493, 725, 895, 1649, 2425, 2465, 2813, 3043, 4475, 5191, 8245, 12325, 14065, 15215, 17363, 25955, 41225, 47821, 70325, 76075, 86815, 88247, 129775, 239105, 295171, 434075, 441235, 503527, 1195525, 1475855, 2206175, 2517635, 7379275, 8559959, 12588175, 42799795, 213998975]

約数ペア:

[(1, 213998975), (5, 42799795), (17, 12588175), (25, 8559959), (29, 7379275), (85, 2517635), (97, 2206175), (145, 1475855), (179, 1195525), (425, 503527), (485, 441235), (493, 434075), (725, 295171), (895, 239105), (1649, 129775), (2425, 88247), (2465, 86815), (2813, 76075), (3043, 70325), (4475, 47821), (5191, 41225), (8245, 25955), (12325, 17363), (14065, 15215)]