724856886

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1270

約数の個数: 72

約数和(自身を含む): 1709454240

約数和(自身を除く): 984597354

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 239, 338, 478, 507, 717, 997, 1014, 1434, 1521, 1994, 2151, 2991, 3042, 3107, 4302, 5982, 6214, 8973, 9321, 12961, 17946, 18642, 25922, 27963, 38883, 40391, 55926, 77766, 80782, 116649, 121173, 168493, 233298, 238283, 242346, 336986, 363519, 476566, 505479, 714849, 727038, 1010958, 1429698, 1516437, 2144547, 3032874, 3097679, 4289094, 6195358, 9293037, 18586074, 27879111, 40269827, 55758222, 80539654, 120809481, 241618962, 362428443, 724856886]

約数ペア:

[(1, 724856886), (2, 362428443), (3, 241618962), (6, 120809481), (9, 80539654), (13, 55758222), (18, 40269827), (26, 27879111), (39, 18586074), (78, 9293037), (117, 6195358), (169, 4289094), (234, 3097679), (239, 3032874), (338, 2144547), (478, 1516437), (507, 1429698), (717, 1010958), (997, 727038), (1014, 714849), (1434, 505479), (1521, 476566), (1994, 363519), (2151, 336986), (2991, 242346), (3042, 238283), (3107, 233298), (4302, 168493), (5982, 121173), (6214, 116649), (8973, 80782), (9321, 77766), (12961, 55926), (17946, 40391), (18642, 38883), (25922, 27963)]