409396325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 580379520

約数和(自身を除く): 170983195

約数列:

[1, 5, 13, 19, 25, 65, 95, 167, 247, 325, 397, 475, 835, 1235, 1985, 2171, 3173, 4175, 5161, 6175, 7543, 9925, 10855, 15865, 25805, 37715, 41249, 54275, 66299, 79325, 98059, 129025, 188575, 206245, 331495, 490295, 861887, 1031225, 1259681, 1657475, 2451475, 4309435, 6298405, 16375853, 21547175, 31492025, 81879265, 409396325]

約数ペア:

[(1, 409396325), (5, 81879265), (13, 31492025), (19, 21547175), (25, 16375853), (65, 6298405), (95, 4309435), (167, 2451475), (247, 1657475), (325, 1259681), (397, 1031225), (475, 861887), (835, 490295), (1235, 331495), (1985, 206245), (2171, 188575), (3173, 129025), (4175, 98059), (5161, 79325), (6175, 66299), (7543, 54275), (9925, 41249), (10855, 37715), (15865, 25805)]