217531008

素因数分解:

$2^7\times 3^4\times {\mathrm{20981}}^1$

素因数の和:21007

約数の個数: 80

約数和(自身を含む): 647399610

約数和(自身を除く): 429868602

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 288, 324, 384, 432, 576, 648, 864, 1152, 1296, 1728, 2592, 3456, 5184, 10368, 20981, 41962, 62943, 83924, 125886, 167848, 188829, 251772, 335696, 377658, 503544, 566487, 671392, 755316, 1007088, 1132974, 1342784, 1510632, 1699461, 2014176, 2265948, 2685568, 3021264, 3398922, 4028352, 4531896, 6042528, 6797844, 8056704, 9063792, 12085056, 13595688, 18127584, 24170112, 27191376, 36255168, 54382752, 72510336, 108765504, 217531008]

約数ペア:

[(1, 217531008), (2, 108765504), (3, 72510336), (4, 54382752), (6, 36255168), (8, 27191376), (9, 24170112), (12, 18127584), (16, 13595688), (18, 12085056), (24, 9063792), (27, 8056704), (32, 6797844), (36, 6042528), (48, 4531896), (54, 4028352), (64, 3398922), (72, 3021264), (81, 2685568), (96, 2265948), (108, 2014176), (128, 1699461), (144, 1510632), (162, 1342784), (192, 1132974), (216, 1007088), (288, 755316), (324, 671392), (384, 566487), (432, 503544), (576, 377658), (648, 335696), (864, 251772), (1152, 188829), (1296, 167848), (1728, 125886), (2592, 83924), (3456, 62943), (5184, 41962), (10368, 20981)]