289473990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{742241}}^1$

素因数の和:742264

約数の個数: 32

約数和(自身を含む): 748179936

約数和(自身を除く): 458705946

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 742241, 1484482, 2226723, 3711205, 4453446, 7422410, 9649133, 11133615, 19298266, 22267230, 28947399, 48245665, 57894798, 96491330, 144736995, 289473990]

約数ペア:

[(1, 289473990), (2, 144736995), (3, 96491330), (5, 57894798), (6, 48245665), (10, 28947399), (13, 22267230), (15, 19298266), (26, 11133615), (30, 9649133), (39, 7422410), (65, 4453446), (78, 3711205), (130, 2226723), (195, 1484482), (390, 742241)]