397235412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{3931}}^1$

素因数の和:4349

約数の個数: 72

約数和(自身を含む): 1150723392

約数和(自身を除く): 753487980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 401, 802, 1203, 1604, 2406, 2807, 3609, 3931, 4812, 5614, 7218, 7862, 8421, 11228, 11793, 14436, 15724, 16842, 23586, 25263, 27517, 33684, 35379, 47172, 50526, 55034, 70758, 82551, 101052, 110068, 141516, 165102, 247653, 330204, 495306, 990612, 1576331, 3152662, 4728993, 6305324, 9457986, 11034317, 14186979, 18915972, 22068634, 28373958, 33102951, 44137268, 56747916, 66205902, 99308853, 132411804, 198617706, 397235412]

約数ペア:

[(1, 397235412), (2, 198617706), (3, 132411804), (4, 99308853), (6, 66205902), (7, 56747916), (9, 44137268), (12, 33102951), (14, 28373958), (18, 22068634), (21, 18915972), (28, 14186979), (36, 11034317), (42, 9457986), (63, 6305324), (84, 4728993), (126, 3152662), (252, 1576331), (401, 990612), (802, 495306), (1203, 330204), (1604, 247653), (2406, 165102), (2807, 141516), (3609, 110068), (3931, 101052), (4812, 82551), (5614, 70758), (7218, 55034), (7862, 50526), (8421, 47172), (11228, 35379), (11793, 33684), (14436, 27517), (15724, 25263), (16842, 23586)]