498638920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{958921}}^1$

素因数の和:958945

約数の個数: 32

約数和(自身を含む): 1208241720

約数和(自身を除く): 709602800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 958921, 1917842, 3835684, 4794605, 7671368, 9589210, 12465973, 19178420, 24931946, 38356840, 49863892, 62329865, 99727784, 124659730, 249319460, 498638920]

約数ペア:

[(1, 498638920), (2, 249319460), (4, 124659730), (5, 99727784), (8, 62329865), (10, 49863892), (13, 38356840), (20, 24931946), (26, 19178420), (40, 12465973), (52, 9589210), (65, 7671368), (104, 4794605), (130, 3835684), (260, 1917842), (520, 958921)]