28493270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1471}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 55641600

約数和(自身を除く): 27148330

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1471, 1490, 1937, 2942, 3874, 7355, 9685, 14710, 19123, 19370, 38246, 95615, 191230, 219179, 438358, 1095895, 2191790, 2849327, 5698654, 14246635, 28493270]

約数ペア:

[(1, 28493270), (2, 14246635), (5, 5698654), (10, 2849327), (13, 2191790), (26, 1095895), (65, 438358), (130, 219179), (149, 191230), (298, 95615), (745, 38246), (1471, 19370), (1490, 19123), (1937, 14710), (2942, 9685), (3874, 7355)]