78945468

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 144

約数和(自身を含む): 227985408

約数和(自身を除く): 149039940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 49, 61, 62, 71, 84, 93, 98, 122, 124, 142, 147, 183, 186, 196, 213, 217, 244, 284, 294, 366, 372, 426, 427, 434, 497, 588, 651, 732, 852, 854, 868, 994, 1281, 1302, 1491, 1519, 1708, 1891, 1988, 2201, 2562, 2604, 2982, 2989, 3038, 3479, 3782, 4331, 4402, 4557, 5124, 5673, 5964, 5978, 6076, 6603, 6958, 7564, 8662, 8804, 8967, 9114, 10437, 11346, 11956, 12993, 13206, 13237, 13916, 15407, 17324, 17934, 18228, 20874, 22692, 25986, 26412, 26474, 30317, 30814, 35868, 39711, 41748, 46221, 51972, 52948, 60634, 61628, 79422, 90951, 92442, 92659, 107849, 121268, 134261, 158844, 181902, 184884, 185318, 212219, 215698, 268522, 277977, 323547, 363804, 370636, 402783, 424438, 431396, 537044, 555954, 636657, 647094, 805566, 848876, 939827, 1111908, 1273314, 1294188, 1611132, 1879654, 2546628, 2819481, 3759308, 5638962, 6578789, 11277924, 13157578, 19736367, 26315156, 39472734, 78945468]

約数ペア:

[(1, 78945468), (2, 39472734), (3, 26315156), (4, 19736367), (6, 13157578), (7, 11277924), (12, 6578789), (14, 5638962), (21, 3759308), (28, 2819481), (31, 2546628), (42, 1879654), (49, 1611132), (61, 1294188), (62, 1273314), (71, 1111908), (84, 939827), (93, 848876), (98, 805566), (122, 647094), (124, 636657), (142, 555954), (147, 537044), (183, 431396), (186, 424438), (196, 402783), (213, 370636), (217, 363804), (244, 323547), (284, 277977), (294, 268522), (366, 215698), (372, 212219), (426, 185318), (427, 184884), (434, 181902), (497, 158844), (588, 134261), (651, 121268), (732, 107849), (852, 92659), (854, 92442), (868, 90951), (994, 79422), (1281, 61628), (1302, 60634), (1491, 52948), (1519, 51972), (1708, 46221), (1891, 41748), (1988, 39711), (2201, 35868), (2562, 30814), (2604, 30317), (2982, 26474), (2989, 26412), (3038, 25986), (3479, 22692), (3782, 20874), (4331, 18228), (4402, 17934), (4557, 17324), (5124, 15407), (5673, 13916), (5964, 13237), (5978, 13206), (6076, 12993), (6603, 11956), (6958, 11346), (7564, 10437), (8662, 9114), (8804, 8967)]