1229888545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{4007}}^1$

素因数の和:4209

約数の個数: 32

約数和(自身を含む): 1641420288

約数和(自身を除く): 411531743

約数列:

[1, 5, 17, 23, 85, 115, 157, 391, 785, 1955, 2669, 3611, 4007, 13345, 18055, 20035, 61387, 68119, 92161, 306935, 340595, 460805, 629099, 1566737, 3145495, 7833685, 10694683, 14469277, 53473415, 72346385, 245977709, 1229888545]

約数ペア:

[(1, 1229888545), (5, 245977709), (17, 72346385), (23, 53473415), (85, 14469277), (115, 10694683), (157, 7833685), (391, 3145495), (785, 1566737), (1955, 629099), (2669, 460805), (3611, 340595), (4007, 306935), (13345, 92161), (18055, 68119), (20035, 61387)]