686909508688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1348489}}^1$

素因数の和:1348620

約数の個数: 80

約数和(自身を含む): 1498226329600

約数和(自身を除く): 811316820912

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 79, 104, 124, 158, 208, 248, 316, 403, 496, 632, 806, 1027, 1264, 1612, 2054, 2449, 3224, 4108, 4898, 6448, 8216, 9796, 16432, 19592, 31837, 39184, 63674, 127348, 254696, 509392, 1348489, 2696978, 5393956, 10787912, 17530357, 21575824, 35060714, 41803159, 70121428, 83606318, 106530631, 140242856, 167212636, 213061262, 280485712, 334425272, 426122524, 543441067, 668850544, 852245048, 1086882134, 1384898203, 1704490096, 2173764268, 2769796406, 3302449561, 4347528536, 5539592812, 6604899122, 8695057072, 11079185624, 13209798244, 22158371248, 26419596488, 42931844293, 52839192976, 85863688586, 171727377172, 343454754344, 686909508688]

約数ペア:

[(1, 686909508688), (2, 343454754344), (4, 171727377172), (8, 85863688586), (13, 52839192976), (16, 42931844293), (26, 26419596488), (31, 22158371248), (52, 13209798244), (62, 11079185624), (79, 8695057072), (104, 6604899122), (124, 5539592812), (158, 4347528536), (208, 3302449561), (248, 2769796406), (316, 2173764268), (403, 1704490096), (496, 1384898203), (632, 1086882134), (806, 852245048), (1027, 668850544), (1264, 543441067), (1612, 426122524), (2054, 334425272), (2449, 280485712), (3224, 213061262), (4108, 167212636), (4898, 140242856), (6448, 106530631), (8216, 83606318), (9796, 70121428), (16432, 41803159), (19592, 35060714), (31837, 21575824), (39184, 17530357), (63674, 10787912), (127348, 5393956), (254696, 2696978), (509392, 1348489)]