64870465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2699}}^1$

素因数の和:2757

約数の個数: 32

約数和(自身を含む): 93312000

約数和(自身を除く): 28441535

約数列:

[1, 5, 11, 19, 23, 55, 95, 115, 209, 253, 437, 1045, 1265, 2185, 2699, 4807, 13495, 24035, 29689, 51281, 62077, 148445, 256405, 310385, 564091, 682847, 1179463, 2820455, 3414235, 5897315, 12974093, 64870465]

約数ペア:

[(1, 64870465), (5, 12974093), (11, 5897315), (19, 3414235), (23, 2820455), (55, 1179463), (95, 682847), (115, 564091), (209, 310385), (253, 256405), (437, 148445), (1045, 62077), (1265, 51281), (2185, 29689), (2699, 24035), (4807, 13495)]