31313772

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{397}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 90979616

約数和(自身を除く): 59665844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 313, 397, 626, 794, 939, 1191, 1252, 1588, 1878, 2191, 2382, 2779, 2817, 3573, 3756, 4382, 4764, 5558, 5634, 6573, 7146, 8337, 8764, 11116, 11268, 13146, 14292, 16674, 19719, 25011, 26292, 33348, 39438, 50022, 78876, 100044, 124261, 248522, 372783, 497044, 745566, 869827, 1118349, 1491132, 1739654, 2236698, 2609481, 3479308, 4473396, 5218962, 7828443, 10437924, 15656886, 31313772]

約数ペア:

[(1, 31313772), (2, 15656886), (3, 10437924), (4, 7828443), (6, 5218962), (7, 4473396), (9, 3479308), (12, 2609481), (14, 2236698), (18, 1739654), (21, 1491132), (28, 1118349), (36, 869827), (42, 745566), (63, 497044), (84, 372783), (126, 248522), (252, 124261), (313, 100044), (397, 78876), (626, 50022), (794, 39438), (939, 33348), (1191, 26292), (1252, 25011), (1588, 19719), (1878, 16674), (2191, 14292), (2382, 13146), (2779, 11268), (2817, 11116), (3573, 8764), (3756, 8337), (4382, 7146), (4764, 6573), (5558, 5634)]