638389626

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{17021}}^1$

素因数の和:17099

約数の個数: 64

約数和(自身を含む): 1568747520

約数和(自身を除く): 930357894

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 47, 57, 94, 114, 133, 141, 266, 282, 329, 399, 658, 798, 893, 987, 1786, 1974, 2679, 5358, 6251, 12502, 17021, 18753, 34042, 37506, 51063, 102126, 119147, 238294, 323399, 357441, 646798, 714882, 799987, 970197, 1599974, 1940394, 2263793, 2399961, 4527586, 4799922, 5599909, 6791379, 11199818, 13582758, 15199753, 16799727, 30399506, 33599454, 45599259, 91198518, 106398271, 212796542, 319194813, 638389626]

約数ペア:

[(1, 638389626), (2, 319194813), (3, 212796542), (6, 106398271), (7, 91198518), (14, 45599259), (19, 33599454), (21, 30399506), (38, 16799727), (42, 15199753), (47, 13582758), (57, 11199818), (94, 6791379), (114, 5599909), (133, 4799922), (141, 4527586), (266, 2399961), (282, 2263793), (329, 1940394), (399, 1599974), (658, 970197), (798, 799987), (893, 714882), (987, 646798), (1786, 357441), (1974, 323399), (2679, 238294), (5358, 119147), (6251, 102126), (12502, 51063), (17021, 37506), (18753, 34042)]