516698975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 713600160

約数和(自身を除く): 196901185

約数列:

[1, 5, 13, 25, 61, 65, 67, 305, 325, 335, 389, 793, 871, 1525, 1675, 1945, 3965, 4087, 4355, 5057, 9725, 19825, 20435, 21775, 23729, 25285, 26063, 53131, 102175, 118645, 126425, 130315, 265655, 308477, 338819, 593225, 651575, 1328275, 1542385, 1589843, 1694095, 7711925, 7949215, 8470475, 20667959, 39746075, 103339795, 516698975]

約数ペア:

[(1, 516698975), (5, 103339795), (13, 39746075), (25, 20667959), (61, 8470475), (65, 7949215), (67, 7711925), (305, 1694095), (325, 1589843), (335, 1542385), (389, 1328275), (793, 651575), (871, 593225), (1525, 338819), (1675, 308477), (1945, 265655), (3965, 130315), (4087, 126425), (4355, 118645), (5057, 102175), (9725, 53131), (19825, 26063), (20435, 25285), (21775, 23729)]