68879825

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 103445760

約数和(自身を除く): 34565935

約数列:

[1, 5, 7, 23, 25, 35, 109, 115, 157, 161, 175, 545, 575, 763, 785, 805, 1099, 2507, 2725, 3611, 3815, 3925, 4025, 5495, 12535, 17113, 17549, 18055, 19075, 25277, 27475, 62675, 85565, 87745, 90275, 119791, 126385, 393599, 427825, 438725, 598955, 631925, 1967995, 2755193, 2994775, 9839975, 13775965, 68879825]

約数ペア:

[(1, 68879825), (5, 13775965), (7, 9839975), (23, 2994775), (25, 2755193), (35, 1967995), (109, 631925), (115, 598955), (157, 438725), (161, 427825), (175, 393599), (545, 126385), (575, 119791), (763, 90275), (785, 87745), (805, 85565), (1099, 62675), (2507, 27475), (2725, 25277), (3611, 19075), (3815, 18055), (3925, 17549), (4025, 17113), (5495, 12535)]