17445740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3947}}^1$

素因数の和:3986

約数の個数: 48

約数和(自身を含む): 41785632

約数和(自身を除く): 24339892

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 3947, 4420, 7894, 15788, 19735, 39470, 51311, 67099, 78940, 102622, 134198, 205244, 256555, 268396, 335495, 513110, 670990, 872287, 1026220, 1341980, 1744574, 3489148, 4361435, 8722870, 17445740]

約数ペア:

[(1, 17445740), (2, 8722870), (4, 4361435), (5, 3489148), (10, 1744574), (13, 1341980), (17, 1026220), (20, 872287), (26, 670990), (34, 513110), (52, 335495), (65, 268396), (68, 256555), (85, 205244), (130, 134198), (170, 102622), (221, 78940), (260, 67099), (340, 51311), (442, 39470), (884, 19735), (1105, 15788), (2210, 7894), (3947, 4420)]