221017248

素因数分解:

$2^5\times 3^5\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:729

約数の個数: 144

約数和(自身を含む): 667963296

約数和(自身を除く): 446946048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 81, 86, 96, 108, 129, 144, 162, 172, 216, 243, 258, 288, 324, 344, 387, 432, 486, 516, 648, 661, 688, 774, 864, 972, 1032, 1161, 1296, 1322, 1376, 1548, 1944, 1983, 2064, 2322, 2592, 2644, 3096, 3483, 3888, 3966, 4128, 4644, 5288, 5949, 6192, 6966, 7776, 7932, 9288, 10449, 10576, 11898, 12384, 13932, 15864, 17847, 18576, 20898, 21152, 23796, 27864, 28423, 31728, 35694, 37152, 41796, 47592, 53541, 55728, 56846, 63456, 71388, 83592, 85269, 95184, 107082, 111456, 113692, 142776, 160623, 167184, 170538, 190368, 214164, 227384, 255807, 285552, 321246, 334368, 341076, 428328, 454768, 511614, 571104, 642492, 682152, 767421, 856656, 909536, 1023228, 1284984, 1364304, 1534842, 1713312, 2046456, 2302263, 2569968, 2728608, 3069684, 4092912, 4604526, 5139936, 6139368, 6906789, 8185824, 9209052, 12278736, 13813578, 18418104, 24557472, 27627156, 36836208, 55254312, 73672416, 110508624, 221017248]

約数ペア:

[(1, 221017248), (2, 110508624), (3, 73672416), (4, 55254312), (6, 36836208), (8, 27627156), (9, 24557472), (12, 18418104), (16, 13813578), (18, 12278736), (24, 9209052), (27, 8185824), (32, 6906789), (36, 6139368), (43, 5139936), (48, 4604526), (54, 4092912), (72, 3069684), (81, 2728608), (86, 2569968), (96, 2302263), (108, 2046456), (129, 1713312), (144, 1534842), (162, 1364304), (172, 1284984), (216, 1023228), (243, 909536), (258, 856656), (288, 767421), (324, 682152), (344, 642492), (387, 571104), (432, 511614), (486, 454768), (516, 428328), (648, 341076), (661, 334368), (688, 321246), (774, 285552), (864, 255807), (972, 227384), (1032, 214164), (1161, 190368), (1296, 170538), (1322, 167184), (1376, 160623), (1548, 142776), (1944, 113692), (1983, 111456), (2064, 107082), (2322, 95184), (2592, 85269), (2644, 83592), (3096, 71388), (3483, 63456), (3888, 56846), (3966, 55728), (4128, 53541), (4644, 47592), (5288, 41796), (5949, 37152), (6192, 35694), (6966, 31728), (7776, 28423), (7932, 27864), (9288, 23796), (10449, 21152), (10576, 20898), (11898, 18576), (12384, 17847), (13932, 15864)]