27926990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30689}}^1$

素因数の和:30716

約数の個数: 32

約数和(自身を含む): 61871040

約数和(自身を除く): 33944050

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 30689, 61378, 153445, 214823, 306890, 398957, 429646, 797914, 1074115, 1994785, 2148230, 2792699, 3989570, 5585398, 13963495, 27926990]

約数ペア:

[(1, 27926990), (2, 13963495), (5, 5585398), (7, 3989570), (10, 2792699), (13, 2148230), (14, 1994785), (26, 1074115), (35, 797914), (65, 429646), (70, 398957), (91, 306890), (130, 214823), (182, 153445), (455, 61378), (910, 30689)]