487809985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7237}}^1$

素因数の和:7333

約数の個数: 32

約数和(自身を含む): 678519072

約数和(自身を除く): 190709087

約数列:

[1, 5, 13, 17, 61, 65, 85, 221, 305, 793, 1037, 1105, 3965, 5185, 7237, 13481, 36185, 67405, 94081, 123029, 441457, 470405, 615145, 1599377, 2207285, 5738941, 7504769, 7996885, 28694705, 37523845, 97561997, 487809985]

約数ペア:

[(1, 487809985), (5, 97561997), (13, 37523845), (17, 28694705), (61, 7996885), (65, 7504769), (85, 5738941), (221, 2207285), (305, 1599377), (793, 615145), (1037, 470405), (1105, 441457), (3965, 123029), (5185, 94081), (7237, 67405), (13481, 36185)]