678286572

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:591

約数の個数: 96

約数和(自身を含む): 1687891968

約数和(自身を除く): 1009605396

約数列:

[1, 2, 3, 4, 6, 12, 31, 61, 62, 71, 93, 122, 124, 142, 183, 186, 213, 244, 284, 366, 372, 421, 426, 732, 842, 852, 1263, 1684, 1891, 2201, 2526, 3782, 4331, 4402, 5052, 5673, 6603, 7564, 8662, 8804, 11346, 12993, 13051, 13206, 17324, 22692, 25681, 25986, 26102, 26412, 29891, 39153, 51362, 51972, 52204, 59782, 77043, 78306, 89673, 102724, 119564, 134261, 154086, 156612, 179346, 268522, 308172, 358692, 402783, 537044, 796111, 805566, 926621, 1592222, 1611132, 1823351, 1853242, 2388333, 2779863, 3184444, 3646702, 3706484, 4776666, 5470053, 5559726, 7293404, 9553332, 10940106, 11119452, 21880212, 56523881, 113047762, 169571643, 226095524, 339143286, 678286572]

約数ペア:

[(1, 678286572), (2, 339143286), (3, 226095524), (4, 169571643), (6, 113047762), (12, 56523881), (31, 21880212), (61, 11119452), (62, 10940106), (71, 9553332), (93, 7293404), (122, 5559726), (124, 5470053), (142, 4776666), (183, 3706484), (186, 3646702), (213, 3184444), (244, 2779863), (284, 2388333), (366, 1853242), (372, 1823351), (421, 1611132), (426, 1592222), (732, 926621), (842, 805566), (852, 796111), (1263, 537044), (1684, 402783), (1891, 358692), (2201, 308172), (2526, 268522), (3782, 179346), (4331, 156612), (4402, 154086), (5052, 134261), (5673, 119564), (6603, 102724), (7564, 89673), (8662, 78306), (8804, 77043), (11346, 59782), (12993, 52204), (13051, 51972), (13206, 51362), (17324, 39153), (22692, 29891), (25681, 26412), (25986, 26102)]