262495298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 469929600

約数和(自身を除く): 207434302

約数列:

[1, 2, 13, 19, 26, 29, 38, 58, 73, 146, 247, 251, 377, 494, 502, 551, 754, 949, 1102, 1387, 1898, 2117, 2774, 3263, 4234, 4769, 6526, 7163, 7279, 9538, 14326, 14558, 18031, 18323, 27521, 36062, 36646, 40223, 55042, 61997, 80446, 94627, 123994, 138301, 189254, 238199, 276602, 348137, 476398, 522899, 531367, 696274, 1045798, 1062734, 1797913, 3595826, 4525781, 6907771, 9051562, 10095973, 13815542, 20191946, 131247649, 262495298]

約数ペア:

[(1, 262495298), (2, 131247649), (13, 20191946), (19, 13815542), (26, 10095973), (29, 9051562), (38, 6907771), (58, 4525781), (73, 3595826), (146, 1797913), (247, 1062734), (251, 1045798), (377, 696274), (494, 531367), (502, 522899), (551, 476398), (754, 348137), (949, 276602), (1102, 238199), (1387, 189254), (1898, 138301), (2117, 123994), (2774, 94627), (3263, 80446), (4234, 61997), (4769, 55042), (6526, 40223), (7163, 36646), (7279, 36062), (9538, 27521), (14326, 18323), (14558, 18031)]