640608012

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{1617697}}^1$

素因数の和:1617718

約数の個数: 36

約数和(自身を含む): 1766526216

約数和(自身を除く): 1125918204

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 1617697, 3235394, 4853091, 6470788, 9706182, 14559273, 17794667, 19412364, 29118546, 35589334, 53384001, 58237092, 71178668, 106768002, 160152003, 213536004, 320304006, 640608012]

約数ペア:

[(1, 640608012), (2, 320304006), (3, 213536004), (4, 160152003), (6, 106768002), (9, 71178668), (11, 58237092), (12, 53384001), (18, 35589334), (22, 29118546), (33, 19412364), (36, 17794667), (44, 14559273), (66, 9706182), (99, 6470788), (132, 4853091), (198, 3235394), (396, 1617697)]