79854551

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 99422208

約数和(自身を除く): 19567657

約数列:

[1, 7, 23, 47, 61, 161, 173, 329, 427, 1081, 1211, 1403, 2867, 3979, 7567, 8131, 9821, 10553, 20069, 27853, 56917, 65941, 73871, 187013, 242719, 461587, 495991, 1309091, 1699033, 3471937, 11407793, 79854551]

約数ペア:

[(1, 79854551), (7, 11407793), (23, 3471937), (47, 1699033), (61, 1309091), (161, 495991), (173, 461587), (329, 242719), (427, 187013), (1081, 73871), (1211, 65941), (1403, 56917), (2867, 27853), (3979, 20069), (7567, 10553), (8131, 9821)]