219825508

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 447068160

約数和(自身を除く): 227242652

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 239, 307, 428, 478, 614, 749, 956, 1228, 1498, 1673, 2149, 2996, 3346, 4298, 6692, 8596, 25573, 32849, 51146, 65698, 73373, 102292, 131396, 146746, 179011, 229943, 293492, 358022, 459886, 513611, 716044, 919772, 1027222, 2054444, 7850911, 15701822, 31403644, 54956377, 109912754, 219825508]

約数ペア:

[(1, 219825508), (2, 109912754), (4, 54956377), (7, 31403644), (14, 15701822), (28, 7850911), (107, 2054444), (214, 1027222), (239, 919772), (307, 716044), (428, 513611), (478, 459886), (614, 358022), (749, 293492), (956, 229943), (1228, 179011), (1498, 146746), (1673, 131396), (2149, 102292), (2996, 73373), (3346, 65698), (4298, 51146), (6692, 32849), (8596, 25573)]