639892008

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{423209}}^1$

素因数の和:423231

約数の個数: 64

約数和(自身を含む): 2031408000

約数和(自身を除く): 1391515992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 423209, 846418, 1269627, 1692836, 2539254, 2962463, 3385672, 3808881, 5078508, 5924926, 7617762, 8887389, 10157016, 11426643, 11849852, 15235524, 17774778, 22853286, 23699704, 26662167, 30471048, 35549556, 45706572, 53324334, 71099112, 79986501, 91413144, 106648668, 159973002, 213297336, 319946004, 639892008]

約数ペア:

[(1, 639892008), (2, 319946004), (3, 213297336), (4, 159973002), (6, 106648668), (7, 91413144), (8, 79986501), (9, 71099112), (12, 53324334), (14, 45706572), (18, 35549556), (21, 30471048), (24, 26662167), (27, 23699704), (28, 22853286), (36, 17774778), (42, 15235524), (54, 11849852), (56, 11426643), (63, 10157016), (72, 8887389), (84, 7617762), (108, 5924926), (126, 5078508), (168, 3808881), (189, 3385672), (216, 2962463), (252, 2539254), (378, 1692836), (504, 1269627), (756, 846418), (1512, 423209)]