643370032

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1958

約数の個数: 80

約数和(自身を含む): 1396410624

約数和(自身を除く): 753040592

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 41, 62, 68, 82, 124, 136, 164, 248, 272, 328, 496, 527, 656, 697, 1054, 1271, 1394, 1861, 2108, 2542, 2788, 3722, 4216, 5084, 5576, 7444, 8432, 10168, 11152, 14888, 20336, 21607, 29776, 31637, 43214, 57691, 63274, 76301, 86428, 115382, 126548, 152602, 172856, 230764, 253096, 305204, 345712, 461528, 506192, 610408, 923056, 980747, 1220816, 1297117, 1961494, 2365331, 2594234, 3922988, 4730662, 5188468, 7845976, 9461324, 10376936, 15691952, 18922648, 20753872, 37845296, 40210627, 80421254, 160842508, 321685016, 643370032]

約数ペア:

[(1, 643370032), (2, 321685016), (4, 160842508), (8, 80421254), (16, 40210627), (17, 37845296), (31, 20753872), (34, 18922648), (41, 15691952), (62, 10376936), (68, 9461324), (82, 7845976), (124, 5188468), (136, 4730662), (164, 3922988), (248, 2594234), (272, 2365331), (328, 1961494), (496, 1297117), (527, 1220816), (656, 980747), (697, 923056), (1054, 610408), (1271, 506192), (1394, 461528), (1861, 345712), (2108, 305204), (2542, 253096), (2788, 230764), (3722, 172856), (4216, 152602), (5084, 126548), (5576, 115382), (7444, 86428), (8432, 76301), (10168, 63274), (11152, 57691), (14888, 43214), (20336, 31637), (21607, 29776)]