871302275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1613}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 1210422528

約数和(自身を除く): 339120253

約数列:

[1, 5, 17, 25, 31, 41, 85, 155, 205, 425, 527, 697, 775, 1025, 1271, 1613, 2635, 3485, 6355, 8065, 13175, 17425, 21607, 27421, 31775, 40325, 50003, 66133, 108035, 137105, 250015, 330665, 540175, 685525, 850051, 1124261, 1250075, 1653325, 2050123, 4250255, 5621305, 10250615, 21251275, 28106525, 34852091, 51253075, 174260455, 871302275]

約数ペア:

[(1, 871302275), (5, 174260455), (17, 51253075), (25, 34852091), (31, 28106525), (41, 21251275), (85, 10250615), (155, 5621305), (205, 4250255), (425, 2050123), (527, 1653325), (697, 1250075), (775, 1124261), (1025, 850051), (1271, 685525), (1613, 540175), (2635, 330665), (3485, 250015), (6355, 137105), (8065, 108035), (13175, 66133), (17425, 50003), (21607, 40325), (27421, 31775)]