492047140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1892489}}^1$

素因数の和:1892511

約数の個数: 24

約数和(自身を含む): 1112784120

約数和(自身を除く): 620736980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1892489, 3784978, 7569956, 9462445, 18924890, 24602357, 37849780, 49204714, 98409428, 123011785, 246023570, 492047140]

約数ペア:

[(1, 492047140), (2, 246023570), (4, 123011785), (5, 98409428), (10, 49204714), (13, 37849780), (20, 24602357), (26, 18924890), (52, 9462445), (65, 7569956), (130, 3784978), (260, 1892489)]