90197996

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 189374976

約数和(自身を除く): 99176980

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 227, 322, 454, 617, 644, 908, 1234, 1589, 2468, 3178, 4319, 5221, 6356, 8638, 10442, 14191, 17276, 20884, 28382, 36547, 56764, 73094, 99337, 140059, 146188, 198674, 280118, 397348, 560236, 980413, 1960826, 3221357, 3921652, 6442714, 12885428, 22549499, 45098998, 90197996]

約数ペア:

[(1, 90197996), (2, 45098998), (4, 22549499), (7, 12885428), (14, 6442714), (23, 3921652), (28, 3221357), (46, 1960826), (92, 980413), (161, 560236), (227, 397348), (322, 280118), (454, 198674), (617, 146188), (644, 140059), (908, 99337), (1234, 73094), (1589, 56764), (2468, 36547), (3178, 28382), (4319, 20884), (5221, 17276), (6356, 14191), (8638, 10442)]