2909968295

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{4363}}^1$

素因数の和:4743

約数の個数: 32

約数和(自身を含む): 3894503424

約数和(自身を除く): 984535129

約数列:

[1, 5, 13, 31, 65, 155, 331, 403, 1655, 2015, 4303, 4363, 10261, 21515, 21815, 51305, 56719, 133393, 135253, 283595, 666965, 676265, 1444153, 1758289, 7220765, 8791445, 18773989, 44768743, 93869945, 223843715, 581993659, 2909968295]

約数ペア:

[(1, 2909968295), (5, 581993659), (13, 223843715), (31, 93869945), (65, 44768743), (155, 18773989), (331, 8791445), (403, 7220765), (1655, 1758289), (2015, 1444153), (4303, 676265), (4363, 666965), (10261, 283595), (21515, 135253), (21815, 133393), (51305, 56719)]