215560306

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 388644480

約数和(自身を除く): 173084174

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 67, 134, 221, 251, 377, 442, 493, 502, 754, 871, 986, 1139, 1742, 1943, 2278, 3263, 3886, 4267, 6409, 6526, 7279, 8534, 12818, 14558, 14807, 16817, 25259, 29614, 33031, 33634, 50518, 55471, 66062, 94627, 110942, 123743, 189254, 218621, 247486, 285889, 429403, 437242, 487693, 571778, 858806, 975386, 1608659, 3217318, 3716557, 6340009, 7433114, 8290781, 12680018, 16581562, 107780153, 215560306]

約数ペア:

[(1, 215560306), (2, 107780153), (13, 16581562), (17, 12680018), (26, 8290781), (29, 7433114), (34, 6340009), (58, 3716557), (67, 3217318), (134, 1608659), (221, 975386), (251, 858806), (377, 571778), (442, 487693), (493, 437242), (502, 429403), (754, 285889), (871, 247486), (986, 218621), (1139, 189254), (1742, 123743), (1943, 110942), (2278, 94627), (3263, 66062), (3886, 55471), (4267, 50518), (6409, 33634), (6526, 33031), (7279, 29614), (8534, 25259), (12818, 16817), (14558, 14807)]