1378898495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1\times {\mathrm{1231}}^1$

素因数の和:2175

約数の個数: 32

約数和(自身を含む): 1879342080

約数和(自身を除く): 500443585

約数列:

[1, 5, 13, 19, 65, 95, 247, 907, 1231, 1235, 4535, 6155, 11791, 16003, 17233, 23389, 58955, 80015, 86165, 116945, 224029, 304057, 1116517, 1120145, 1520285, 5582585, 14514721, 21213823, 72573605, 106069115, 275779699, 1378898495]

約数ペア:

[(1, 1378898495), (5, 275779699), (13, 106069115), (19, 72573605), (65, 21213823), (95, 14514721), (247, 5582585), (907, 1520285), (1231, 1120145), (1235, 1116517), (4535, 304057), (6155, 224029), (11791, 116945), (16003, 86165), (17233, 80015), (23389, 58955)]