9998275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 15554560

約数和(自身を除く): 5556285

約数列:

[1, 5, 7, 19, 25, 31, 35, 95, 97, 133, 155, 175, 217, 475, 485, 589, 665, 679, 775, 1085, 1843, 2425, 2945, 3007, 3325, 3395, 4123, 5425, 9215, 12901, 14725, 15035, 16975, 20615, 21049, 46075, 57133, 64505, 75175, 103075, 105245, 285665, 322525, 399931, 526225, 1428325, 1999655, 9998275]

約数ペア:

[(1, 9998275), (5, 1999655), (7, 1428325), (19, 526225), (25, 399931), (31, 322525), (35, 285665), (95, 105245), (97, 103075), (133, 75175), (155, 64505), (175, 57133), (217, 46075), (475, 21049), (485, 20615), (589, 16975), (665, 15035), (679, 14725), (775, 12901), (1085, 9215), (1843, 5425), (2425, 4123), (2945, 3395), (3007, 3325)]