217445540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{64333}}^1$

素因数の和:64368

約数の個数: 36

約数和(自身を含む): 494471124

約数和(自身を除く): 277025584

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 64333, 128666, 257332, 321665, 643330, 836329, 1286660, 1672658, 3345316, 4181645, 8363290, 10872277, 16726580, 21744554, 43489108, 54361385, 108722770, 217445540]

約数ペア:

[(1, 217445540), (2, 108722770), (4, 54361385), (5, 43489108), (10, 21744554), (13, 16726580), (20, 10872277), (26, 8363290), (52, 4181645), (65, 3345316), (130, 1672658), (169, 1286660), (260, 836329), (338, 643330), (676, 321665), (845, 257332), (1690, 128666), (3380, 64333)]