440643749

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:717

約数の個数: 32

約数和(自身を含む): 556464384

約数和(自身を除く): 115820635

約数列:

[1, 7, 13, 53, 91, 211, 371, 433, 689, 1477, 2743, 3031, 4823, 5629, 11183, 19201, 22949, 39403, 78281, 91363, 145379, 160643, 298337, 639541, 1017653, 1187719, 2088359, 4842239, 8314033, 33895673, 62949107, 440643749]

約数ペア:

[(1, 440643749), (7, 62949107), (13, 33895673), (53, 8314033), (91, 4842239), (211, 2088359), (371, 1187719), (433, 1017653), (689, 639541), (1477, 298337), (2743, 160643), (3031, 145379), (4823, 91363), (5629, 78281), (11183, 39403), (19201, 22949)]