644540688

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{406907}}^1$

素因数の和:406932

約数の個数: 60

約数和(自身を含む): 1967807088

約数和(自身を除く): 1323266400

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 406907, 813814, 1220721, 1627628, 2441442, 3255256, 3662163, 4475977, 4882884, 6510512, 7324326, 8951954, 9765768, 13427931, 14648652, 17903908, 19531536, 26855862, 29297304, 35807816, 40283793, 53711724, 58594608, 71615632, 80567586, 107423448, 161135172, 214846896, 322270344, 644540688]

約数ペア:

[(1, 644540688), (2, 322270344), (3, 214846896), (4, 161135172), (6, 107423448), (8, 80567586), (9, 71615632), (11, 58594608), (12, 53711724), (16, 40283793), (18, 35807816), (22, 29297304), (24, 26855862), (33, 19531536), (36, 17903908), (44, 14648652), (48, 13427931), (66, 9765768), (72, 8951954), (88, 7324326), (99, 6510512), (132, 4882884), (144, 4475977), (176, 3662163), (198, 3255256), (264, 2441442), (396, 1627628), (528, 1220721), (792, 813814), (1584, 406907)]