428740455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1979}}^1$

素因数の和:2112

約数の個数: 64

約数和(自身を含む): 814302720

約数和(自身を除く): 385562265

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 101, 143, 165, 195, 303, 429, 505, 715, 1111, 1313, 1515, 1979, 2145, 3333, 3939, 5555, 5937, 6565, 9895, 14443, 16665, 19695, 21769, 25727, 29685, 43329, 65307, 72215, 77181, 108845, 128635, 199879, 216645, 282997, 326535, 385905, 599637, 848991, 999395, 1414985, 2198669, 2598427, 2998185, 4244955, 6596007, 7795281, 10993345, 12992135, 28582697, 32980035, 38976405, 85748091, 142913485, 428740455]

約数ペア:

[(1, 428740455), (3, 142913485), (5, 85748091), (11, 38976405), (13, 32980035), (15, 28582697), (33, 12992135), (39, 10993345), (55, 7795281), (65, 6596007), (101, 4244955), (143, 2998185), (165, 2598427), (195, 2198669), (303, 1414985), (429, 999395), (505, 848991), (715, 599637), (1111, 385905), (1313, 326535), (1515, 282997), (1979, 216645), (2145, 199879), (3333, 128635), (3939, 108845), (5555, 77181), (5937, 72215), (6565, 65307), (9895, 43329), (14443, 29685), (16665, 25727), (19695, 21769)]