78015655

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 102384000

約数和(自身を除く): 24368345

約数列:

[1, 5, 23, 29, 115, 145, 149, 157, 667, 745, 785, 3335, 3427, 3611, 4321, 4553, 17135, 18055, 21605, 22765, 23393, 99383, 104719, 116965, 496915, 523595, 538039, 678397, 2690195, 3391985, 15603131, 78015655]

約数ペア:

[(1, 78015655), (5, 15603131), (23, 3391985), (29, 2690195), (115, 678397), (145, 538039), (149, 523595), (157, 496915), (667, 116965), (745, 104719), (785, 99383), (3335, 23393), (3427, 22765), (3611, 21605), (4321, 18055), (4553, 17135)]