656541504

素因数分解:

$2^6\times 3^3\times {\mathrm{19}}^1\times {\mathrm{19997}}^1$

素因数の和:20037

約数の個数: 112

約数和(自身を含む): 2031796800

約数和(自身を除く): 1375255296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 144, 152, 171, 192, 216, 228, 288, 304, 342, 432, 456, 513, 576, 608, 684, 864, 912, 1026, 1216, 1368, 1728, 1824, 2052, 2736, 3648, 4104, 5472, 8208, 10944, 16416, 19997, 32832, 39994, 59991, 79988, 119982, 159976, 179973, 239964, 319952, 359946, 379943, 479928, 539919, 639904, 719892, 759886, 959856, 1079838, 1139829, 1279808, 1439784, 1519772, 1919712, 2159676, 2279658, 2879568, 3039544, 3419487, 3839424, 4319352, 4559316, 5759136, 6079088, 6838974, 8638704, 9118632, 10258461, 11518272, 12158176, 13677948, 17277408, 18237264, 20516922, 24316352, 27355896, 34554816, 36474528, 41033844, 54711792, 72949056, 82067688, 109423584, 164135376, 218847168, 328270752, 656541504]

約数ペア:

[(1, 656541504), (2, 328270752), (3, 218847168), (4, 164135376), (6, 109423584), (8, 82067688), (9, 72949056), (12, 54711792), (16, 41033844), (18, 36474528), (19, 34554816), (24, 27355896), (27, 24316352), (32, 20516922), (36, 18237264), (38, 17277408), (48, 13677948), (54, 12158176), (57, 11518272), (64, 10258461), (72, 9118632), (76, 8638704), (96, 6838974), (108, 6079088), (114, 5759136), (144, 4559316), (152, 4319352), (171, 3839424), (192, 3419487), (216, 3039544), (228, 2879568), (288, 2279658), (304, 2159676), (342, 1919712), (432, 1519772), (456, 1439784), (513, 1279808), (576, 1139829), (608, 1079838), (684, 959856), (864, 759886), (912, 719892), (1026, 639904), (1216, 539919), (1368, 479928), (1728, 379943), (1824, 359946), (2052, 319952), (2736, 239964), (3648, 179973), (4104, 159976), (5472, 119982), (8208, 79988), (10944, 59991), (16416, 39994), (19997, 32832)]