28945743.000000000

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1861}}^1$

素因数の和:1944

約数の個数: 64

約数和(自身を含む): 337841280

約数和(自身を除く): 183199624

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 47, 52, 68, 94, 104, 136, 188, 221, 376, 442, 611, 799, 884, 1222, 1598, 1768, 1861, 2444, 3196, 3722, 4888, 6392, 7444, 10387, 14888, 20774, 24193, 31637, 41548, 48386, 63274, 83096, 87467, 96772, 126548, 174934, 193544, 253096, 349868, 411281, 699736, 822562, 1137071, 1486939, 1645124, 2274142, 2973878, 3290248, 4548284, 5947756, 9096568, 11895512, 19330207, 38660414, 77320828, 154641656]

約数ペア:

[(1, 154641656), (2, 77320828), (4, 38660414), (8, 19330207), (13, 11895512), (17, 9096568), (26, 5947756), (34, 4548284), (47, 3290248), (52, 2973878), (68, 2274142), (94, 1645124), (104, 1486939), (136, 1137071), (188, 822562), (221, 699736), (376, 411281), (442, 349868), (611, 253096), (799, 193544), (884, 174934), (1222, 126548), (1598, 96772), (1768, 87467), (1861, 83096), (2444, 63274), (3196, 48386), (3722, 41548), (4888, 31637), (6392, 24193), (7444, 20774), (10387, 14888)]