28365708

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2539}}^1$

素因数の和:2579

約数の個数: 72

約数和(自身を含む): 81076800

約数和(自身を除く): 52711092

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2539, 2793, 3724, 5078, 5586, 7617, 10156, 11172, 15234, 17773, 30468, 35546, 48241, 53319, 71092, 96482, 106638, 124411, 144723, 192964, 213276, 248822, 289446, 337687, 373233, 497644, 578892, 675374, 746466, 1013061, 1350748, 1492932, 2026122, 2363809, 4052244, 4727618, 7091427, 9455236, 14182854, 28365708]

約数ペア:

[(1, 28365708), (2, 14182854), (3, 9455236), (4, 7091427), (6, 4727618), (7, 4052244), (12, 2363809), (14, 2026122), (19, 1492932), (21, 1350748), (28, 1013061), (38, 746466), (42, 675374), (49, 578892), (57, 497644), (76, 373233), (84, 337687), (98, 289446), (114, 248822), (133, 213276), (147, 192964), (196, 144723), (228, 124411), (266, 106638), (294, 96482), (399, 71092), (532, 53319), (588, 48241), (798, 35546), (931, 30468), (1596, 17773), (1862, 15234), (2539, 11172), (2793, 10156), (3724, 7617), (5078, 5586)]