879689330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{49393}}^1$

素因数の和:49550

約数の個数: 32

約数和(自身を含む): 1717725744

約数和(自身を除く): 838036414

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 685, 1370, 1781, 3562, 8905, 17810, 49393, 98786, 246965, 493930, 642109, 1284218, 3210545, 6421090, 6766841, 13533682, 33834205, 67668410, 87968933, 175937866, 439844665, 879689330]

約数ペア:

[(1, 879689330), (2, 439844665), (5, 175937866), (10, 87968933), (13, 67668410), (26, 33834205), (65, 13533682), (130, 6766841), (137, 6421090), (274, 3210545), (685, 1284218), (1370, 642109), (1781, 493930), (3562, 246965), (8905, 98786), (17810, 49393)]