408065405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 542505600

約数和(自身を除く): 134440195

約数列:

[1, 5, 11, 55, 179, 181, 229, 895, 905, 1145, 1969, 1991, 2519, 9845, 9955, 12595, 32399, 40991, 41449, 161995, 204955, 207245, 356389, 450901, 455939, 1781945, 2254505, 2279695, 7419371, 37096855, 81613081, 408065405]

約数ペア:

[(1, 408065405), (5, 81613081), (11, 37096855), (55, 7419371), (179, 2279695), (181, 2254505), (229, 1781945), (895, 455939), (905, 450901), (1145, 356389), (1969, 207245), (1991, 204955), (2519, 161995), (9845, 41449), (9955, 40991), (12595, 32399)]