217311984

素因数分解:

$2^4\times 3^6\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:658

約数の個数: 140

約数和(自身を含む): 652722112

約数和(自身を除く): 435410128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 81, 93, 108, 124, 144, 162, 186, 216, 243, 248, 279, 324, 372, 432, 486, 496, 558, 601, 648, 729, 744, 837, 972, 1116, 1202, 1296, 1458, 1488, 1674, 1803, 1944, 2232, 2404, 2511, 2916, 3348, 3606, 3888, 4464, 4808, 5022, 5409, 5832, 6696, 7212, 7533, 9616, 10044, 10818, 11664, 13392, 14424, 15066, 16227, 18631, 20088, 21636, 22599, 28848, 30132, 32454, 37262, 40176, 43272, 45198, 48681, 55893, 60264, 64908, 74524, 86544, 90396, 97362, 111786, 120528, 129816, 146043, 149048, 167679, 180792, 194724, 223572, 259632, 292086, 298096, 335358, 361584, 389448, 438129, 447144, 503037, 584172, 670716, 778896, 876258, 894288, 1006074, 1168344, 1341432, 1509111, 1752516, 2012148, 2336688, 2682864, 3018222, 3505032, 4024296, 4527333, 6036444, 7010064, 8048592, 9054666, 12072888, 13581999, 18109332, 24145776, 27163998, 36218664, 54327996, 72437328, 108655992, 217311984]

約数ペア:

[(1, 217311984), (2, 108655992), (3, 72437328), (4, 54327996), (6, 36218664), (8, 27163998), (9, 24145776), (12, 18109332), (16, 13581999), (18, 12072888), (24, 9054666), (27, 8048592), (31, 7010064), (36, 6036444), (48, 4527333), (54, 4024296), (62, 3505032), (72, 3018222), (81, 2682864), (93, 2336688), (108, 2012148), (124, 1752516), (144, 1509111), (162, 1341432), (186, 1168344), (216, 1006074), (243, 894288), (248, 876258), (279, 778896), (324, 670716), (372, 584172), (432, 503037), (486, 447144), (496, 438129), (558, 389448), (601, 361584), (648, 335358), (729, 298096), (744, 292086), (837, 259632), (972, 223572), (1116, 194724), (1202, 180792), (1296, 167679), (1458, 149048), (1488, 146043), (1674, 129816), (1803, 120528), (1944, 111786), (2232, 97362), (2404, 90396), (2511, 86544), (2916, 74524), (3348, 64908), (3606, 60264), (3888, 55893), (4464, 48681), (4808, 45198), (5022, 43272), (5409, 40176), (5832, 37262), (6696, 32454), (7212, 30132), (7533, 28848), (9616, 22599), (10044, 21636), (10818, 20088), (11664, 18631), (13392, 16227), (14424, 15066)]