209566448

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4643}}^1$

素因数の和:4702

約数の個数: 80

約数和(自身を含む): 515966976

約数和(自身を除く): 306400528

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 4643, 5642, 6448, 9286, 11284, 18572, 22568, 32501, 37144, 45136, 60359, 65002, 74288, 120718, 130004, 143933, 241436, 260008, 287866, 422513, 482872, 520016, 575732, 845026, 965744, 1007531, 1151464, 1690052, 1871129, 2015062, 2302928, 3380104, 3742258, 4030124, 6760208, 7484516, 8060248, 13097903, 14969032, 16120496, 26195806, 29938064, 52391612, 104783224, 209566448]

約数ペア:

[(1, 209566448), (2, 104783224), (4, 52391612), (7, 29938064), (8, 26195806), (13, 16120496), (14, 14969032), (16, 13097903), (26, 8060248), (28, 7484516), (31, 6760208), (52, 4030124), (56, 3742258), (62, 3380104), (91, 2302928), (104, 2015062), (112, 1871129), (124, 1690052), (182, 1151464), (208, 1007531), (217, 965744), (248, 845026), (364, 575732), (403, 520016), (434, 482872), (496, 422513), (728, 287866), (806, 260008), (868, 241436), (1456, 143933), (1612, 130004), (1736, 120718), (2821, 74288), (3224, 65002), (3472, 60359), (4643, 45136), (5642, 37144), (6448, 32501), (9286, 22568), (11284, 18572)]