203411455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{601}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 271853568

約数和(自身を除く): 68442113

約数列:

[1, 5, 13, 41, 65, 127, 205, 533, 601, 635, 1651, 2665, 3005, 5207, 7813, 8255, 24641, 26035, 39065, 67691, 76327, 123205, 320333, 338455, 381635, 992251, 1601665, 3129407, 4961255, 15647035, 40682291, 203411455]

約数ペア:

[(1, 203411455), (5, 40682291), (13, 15647035), (41, 4961255), (65, 3129407), (127, 1601665), (205, 992251), (533, 381635), (601, 338455), (635, 320333), (1651, 123205), (2665, 76327), (3005, 67691), (5207, 39065), (7813, 26035), (8255, 24641)]