642772088

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3943}}^1$

素因数の和:4068

約数の個数: 64

約数和(自身を含む): 1431198720

約数和(自身を除く): 788426632

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 71, 82, 142, 164, 284, 287, 328, 497, 568, 574, 994, 1148, 1988, 2296, 2911, 3943, 3976, 5822, 7886, 11644, 15772, 20377, 23288, 27601, 31544, 40754, 55202, 81508, 110404, 161663, 163016, 220808, 279953, 323326, 559906, 646652, 1119812, 1131641, 1293304, 1959671, 2239624, 2263282, 3919342, 4526564, 7838684, 9053128, 11478073, 15677368, 22956146, 45912292, 80346511, 91824584, 160693022, 321386044, 642772088]

約数ペア:

[(1, 642772088), (2, 321386044), (4, 160693022), (7, 91824584), (8, 80346511), (14, 45912292), (28, 22956146), (41, 15677368), (56, 11478073), (71, 9053128), (82, 7838684), (142, 4526564), (164, 3919342), (284, 2263282), (287, 2239624), (328, 1959671), (497, 1293304), (568, 1131641), (574, 1119812), (994, 646652), (1148, 559906), (1988, 323326), (2296, 279953), (2911, 220808), (3943, 163016), (3976, 161663), (5822, 110404), (7886, 81508), (11644, 55202), (15772, 40754), (20377, 31544), (23288, 27601)]