16855581392

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{953}}^1$

素因数の和:1229

約数の個数: 120

約数和(自身を含む): 36715292928

約数和(自身を除く): 19859711536

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 211, 248, 338, 403, 422, 496, 676, 806, 844, 953, 1352, 1612, 1688, 1906, 2704, 2743, 3224, 3376, 3812, 5239, 5486, 6448, 6541, 7624, 10478, 10972, 12389, 13082, 15248, 20956, 21944, 24778, 26164, 29543, 35659, 41912, 43888, 49556, 52328, 59086, 71318, 83824, 85033, 99112, 104656, 118172, 142636, 161057, 170066, 198224, 201083, 236344, 285272, 322114, 340132, 384059, 402166, 472688, 570544, 644228, 680264, 768118, 804332, 1105429, 1288456, 1360528, 1536236, 1608664, 2210858, 2576912, 2614079, 3072472, 3217328, 4421716, 4992767, 5228158, 6144944, 6233573, 8843432, 9985534, 10456316, 12467146, 17686864, 19971068, 20912632, 24934292, 33983027, 39942136, 41825264, 49868584, 67966054, 79884272, 81036449, 99737168, 135932108, 162072898, 271864216, 324145796, 543728432, 648291592, 1053473837, 1296583184, 2106947674, 4213895348, 8427790696, 16855581392]

約数ペア:

[(1, 16855581392), (2, 8427790696), (4, 4213895348), (8, 2106947674), (13, 1296583184), (16, 1053473837), (26, 648291592), (31, 543728432), (52, 324145796), (62, 271864216), (104, 162072898), (124, 135932108), (169, 99737168), (208, 81036449), (211, 79884272), (248, 67966054), (338, 49868584), (403, 41825264), (422, 39942136), (496, 33983027), (676, 24934292), (806, 20912632), (844, 19971068), (953, 17686864), (1352, 12467146), (1612, 10456316), (1688, 9985534), (1906, 8843432), (2704, 6233573), (2743, 6144944), (3224, 5228158), (3376, 4992767), (3812, 4421716), (5239, 3217328), (5486, 3072472), (6448, 2614079), (6541, 2576912), (7624, 2210858), (10478, 1608664), (10972, 1536236), (12389, 1360528), (13082, 1288456), (15248, 1105429), (20956, 804332), (21944, 768118), (24778, 680264), (26164, 644228), (29543, 570544), (35659, 472688), (41912, 402166), (43888, 384059), (49556, 340132), (52328, 322114), (59086, 285272), (71318, 236344), (83824, 201083), (85033, 198224), (99112, 170066), (104656, 161057), (118172, 142636)]