778890019779

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1381}}^1\times {\mathrm{118913}}^1$

素因数の和:120348

約数の個数: 48

約数和(自身を含む): 1230571540224

約数和(自身を除く): 451681520445

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1381, 1581, 4143, 4743, 12429, 23477, 42811, 70431, 118913, 128433, 211293, 356739, 385299, 727787, 1070217, 2021521, 2183361, 3686303, 6064563, 6550083, 11058909, 18193689, 33176727, 62667151, 164218853, 188001453, 492656559, 564004359, 1477969677, 2791720501, 5090784443, 8375161503, 15272353329, 25125484509, 45817059987, 86543335531, 259630006593, 778890019779]

約数ペア:

[(1, 778890019779), (3, 259630006593), (9, 86543335531), (17, 45817059987), (31, 25125484509), (51, 15272353329), (93, 8375161503), (153, 5090784443), (279, 2791720501), (527, 1477969677), (1381, 564004359), (1581, 492656559), (4143, 188001453), (4743, 164218853), (12429, 62667151), (23477, 33176727), (42811, 18193689), (70431, 11058909), (118913, 6550083), (128433, 6064563), (211293, 3686303), (356739, 2183361), (385299, 2021521), (727787, 1070217)]