397616401

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 541900800

約数和(自身を除く): 144284399

約数列:

[1, 7, 13, 19, 41, 71, 79, 91, 133, 247, 287, 497, 533, 553, 779, 923, 1027, 1349, 1501, 1729, 2911, 3239, 3731, 5453, 5609, 6461, 7189, 9443, 10127, 10507, 17537, 19513, 20377, 22673, 37843, 39263, 42107, 55309, 61541, 70889, 72917, 106571, 122759, 136591, 229969, 264901, 294749, 387163, 430787, 510419, 719017, 745997, 800033, 1385423, 1609783, 2989597, 4369411, 5033119, 5600231, 9697961, 20927179, 30585877, 56802343, 397616401]

約数ペア:

[(1, 397616401), (7, 56802343), (13, 30585877), (19, 20927179), (41, 9697961), (71, 5600231), (79, 5033119), (91, 4369411), (133, 2989597), (247, 1609783), (287, 1385423), (497, 800033), (533, 745997), (553, 719017), (779, 510419), (923, 430787), (1027, 387163), (1349, 294749), (1501, 264901), (1729, 229969), (2911, 136591), (3239, 122759), (3731, 106571), (5453, 72917), (5609, 70889), (6461, 61541), (7189, 55309), (9443, 42107), (10127, 39263), (10507, 37843), (17537, 22673), (19513, 20377)]