644004396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{6373}}^1$

素因数の和:6791

約数の個数: 72

約数和(自身を含む): 1865389344

約数和(自身を除く): 1221384948

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, 4812, 5614, 6373, 7218, 8421, 11228, 12746, 14436, 16842, 19119, 25263, 25492, 33684, 38238, 44611, 50526, 57357, 76476, 89222, 101052, 114714, 133833, 178444, 229428, 267666, 401499, 535332, 802998, 1605996, 2555573, 5111146, 7666719, 10222292, 15333438, 17889011, 23000157, 30666876, 35778022, 46000314, 53667033, 71556044, 92000628, 107334066, 161001099, 214668132, 322002198, 644004396]

約数ペア:

[(1, 644004396), (2, 322002198), (3, 214668132), (4, 161001099), (6, 107334066), (7, 92000628), (9, 71556044), (12, 53667033), (14, 46000314), (18, 35778022), (21, 30666876), (28, 23000157), (36, 17889011), (42, 15333438), (63, 10222292), (84, 7666719), (126, 5111146), (252, 2555573), (401, 1605996), (802, 802998), (1203, 535332), (1604, 401499), (2406, 267666), (2807, 229428), (3609, 178444), (4812, 133833), (5614, 114714), (6373, 101052), (7218, 89222), (8421, 76476), (11228, 57357), (12746, 50526), (14436, 44611), (16842, 38238), (19119, 33684), (25263, 25492)]