2657730719

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1\times {\mathrm{677}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 3193651200

約数和(自身を除く): 535920481

約数列:

[1, 7, 31, 79, 217, 229, 553, 677, 1603, 2449, 4739, 7099, 17143, 18091, 20987, 49693, 53483, 126637, 146909, 155033, 374381, 560821, 1085231, 1657973, 3925747, 4806023, 11605811, 12247607, 33642161, 85733249, 379675817, 2657730719]

約数ペア:

[(1, 2657730719), (7, 379675817), (31, 85733249), (79, 33642161), (217, 12247607), (229, 11605811), (553, 4806023), (677, 3925747), (1603, 1657973), (2449, 1085231), (4739, 560821), (7099, 374381), (17143, 155033), (18091, 146909), (20987, 126637), (49693, 53483)]