1644894890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 3085302528

約数和(自身を除く): 1440407638

約数列:

[1, 2, 5, 10, 61, 67, 122, 134, 167, 241, 305, 334, 335, 482, 610, 670, 835, 1205, 1670, 2410, 4087, 8174, 10187, 11189, 14701, 16147, 20374, 20435, 22378, 29402, 32294, 40247, 40870, 50935, 55945, 73505, 80494, 80735, 101870, 111890, 147010, 161470, 201235, 402470, 682529, 984967, 1365058, 1969934, 2455067, 2696549, 3412645, 4910134, 4924835, 5393098, 6825290, 9849670, 12275335, 13482745, 24550670, 26965490, 164489489, 328978978, 822447445, 1644894890]

約数ペア:

[(1, 1644894890), (2, 822447445), (5, 328978978), (10, 164489489), (61, 26965490), (67, 24550670), (122, 13482745), (134, 12275335), (167, 9849670), (241, 6825290), (305, 5393098), (334, 4924835), (335, 4910134), (482, 3412645), (610, 2696549), (670, 2455067), (835, 1969934), (1205, 1365058), (1670, 984967), (2410, 682529), (4087, 402470), (8174, 201235), (10187, 161470), (11189, 147010), (14701, 111890), (16147, 101870), (20374, 80735), (20435, 80494), (22378, 73505), (29402, 55945), (32294, 50935), (40247, 40870)]