987998420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{8191}}^1$

素因数の和:8400

約数の個数: 48

約数和(自身を含む): 2144206848

約数和(自身を除く): 1156208428

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 163, 185, 326, 370, 652, 740, 815, 1630, 3260, 6031, 8191, 12062, 16382, 24124, 30155, 32764, 40955, 60310, 81910, 120620, 163820, 303067, 606134, 1212268, 1335133, 1515335, 2670266, 3030670, 5340532, 6061340, 6675665, 13351330, 26702660, 49399921, 98799842, 197599684, 246999605, 493999210, 987998420]

約数ペア:

[(1, 987998420), (2, 493999210), (4, 246999605), (5, 197599684), (10, 98799842), (20, 49399921), (37, 26702660), (74, 13351330), (148, 6675665), (163, 6061340), (185, 5340532), (326, 3030670), (370, 2670266), (652, 1515335), (740, 1335133), (815, 1212268), (1630, 606134), (3260, 303067), (6031, 163820), (8191, 120620), (12062, 81910), (16382, 60310), (24124, 40955), (30155, 32764)]