820513968

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{821}}^1$

素因数の和:1322

約数の個数: 80

約数和(自身を含む): 2172289536

約数和(自身を除く): 1351775568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 141, 188, 282, 376, 443, 564, 752, 821, 886, 1128, 1329, 1642, 1772, 2256, 2463, 2658, 3284, 3544, 4926, 5316, 6568, 7088, 9852, 10632, 13136, 19704, 20821, 21264, 38587, 39408, 41642, 62463, 77174, 83284, 115761, 124926, 154348, 166568, 231522, 249852, 308696, 333136, 363703, 463044, 499704, 617392, 727406, 926088, 999408, 1091109, 1454812, 1852176, 2182218, 2909624, 4364436, 5819248, 8728872, 17094041, 17457744, 34188082, 51282123, 68376164, 102564246, 136752328, 205128492, 273504656, 410256984, 820513968]

約数ペア:

[(1, 820513968), (2, 410256984), (3, 273504656), (4, 205128492), (6, 136752328), (8, 102564246), (12, 68376164), (16, 51282123), (24, 34188082), (47, 17457744), (48, 17094041), (94, 8728872), (141, 5819248), (188, 4364436), (282, 2909624), (376, 2182218), (443, 1852176), (564, 1454812), (752, 1091109), (821, 999408), (886, 926088), (1128, 727406), (1329, 617392), (1642, 499704), (1772, 463044), (2256, 363703), (2463, 333136), (2658, 308696), (3284, 249852), (3544, 231522), (4926, 166568), (5316, 154348), (6568, 124926), (7088, 115761), (9852, 83284), (10632, 77174), (13136, 62463), (19704, 41642), (20821, 39408), (21264, 38587)]