313941836

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 625701888

約数和(自身を除く): 311760052

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 71, 124, 142, 169, 211, 284, 338, 403, 422, 676, 806, 844, 923, 1612, 1846, 2201, 2743, 3692, 4402, 5239, 5486, 6541, 8804, 10478, 10972, 11999, 13082, 14981, 20956, 23998, 26164, 28613, 29962, 35659, 47996, 57226, 59924, 71318, 85033, 114452, 142636, 170066, 194753, 340132, 371969, 389506, 464411, 743938, 779012, 928822, 1105429, 1487876, 1857644, 2210858, 2531789, 4421716, 5063578, 6037343, 10127156, 12074686, 24149372, 78485459, 156970918, 313941836]

約数ペア:

[(1, 313941836), (2, 156970918), (4, 78485459), (13, 24149372), (26, 12074686), (31, 10127156), (52, 6037343), (62, 5063578), (71, 4421716), (124, 2531789), (142, 2210858), (169, 1857644), (211, 1487876), (284, 1105429), (338, 928822), (403, 779012), (422, 743938), (676, 464411), (806, 389506), (844, 371969), (923, 340132), (1612, 194753), (1846, 170066), (2201, 142636), (2743, 114452), (3692, 85033), (4402, 71318), (5239, 59924), (5486, 57226), (6541, 47996), (8804, 35659), (10478, 29962), (10972, 28613), (11999, 26164), (13082, 23998), (14981, 20956)]