263417128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:602

約数の個数: 64

約数和(自身を含む): 549662400

約数和(自身を除く): 286245272

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 163, 164, 326, 328, 379, 533, 652, 758, 1066, 1304, 1516, 2119, 2132, 3032, 4238, 4264, 4927, 6683, 8476, 9854, 13366, 15539, 16952, 19708, 26732, 31078, 39416, 53464, 61777, 62156, 86879, 123554, 124312, 173758, 202007, 247108, 347516, 404014, 494216, 695032, 803101, 808028, 1606202, 1616056, 2532857, 3212404, 5065714, 6424808, 10131428, 20262856, 32927141, 65854282, 131708564, 263417128]

約数ペア:

[(1, 263417128), (2, 131708564), (4, 65854282), (8, 32927141), (13, 20262856), (26, 10131428), (41, 6424808), (52, 5065714), (82, 3212404), (104, 2532857), (163, 1616056), (164, 1606202), (326, 808028), (328, 803101), (379, 695032), (533, 494216), (652, 404014), (758, 347516), (1066, 247108), (1304, 202007), (1516, 173758), (2119, 124312), (2132, 123554), (3032, 86879), (4238, 62156), (4264, 61777), (4927, 53464), (6683, 39416), (8476, 31078), (9854, 26732), (13366, 19708), (15539, 16952)]