78678392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1440

約数の個数: 64

約数和(自身を含む): 173124000

約数和(自身を除く): 94445608

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 232, 247, 377, 494, 551, 754, 988, 1102, 1373, 1508, 1976, 2204, 2746, 3016, 4408, 5492, 7163, 10984, 14326, 17849, 26087, 28652, 35698, 39817, 52174, 57304, 71396, 79634, 104348, 142792, 159268, 208696, 318536, 339131, 517621, 678262, 756523, 1035242, 1356524, 1513046, 2070484, 2713048, 3026092, 4140968, 6052184, 9834799, 19669598, 39339196, 78678392]

約数ペア:

[(1, 78678392), (2, 39339196), (4, 19669598), (8, 9834799), (13, 6052184), (19, 4140968), (26, 3026092), (29, 2713048), (38, 2070484), (52, 1513046), (58, 1356524), (76, 1035242), (104, 756523), (116, 678262), (152, 517621), (232, 339131), (247, 318536), (377, 208696), (494, 159268), (551, 142792), (754, 104348), (988, 79634), (1102, 71396), (1373, 57304), (1508, 52174), (1976, 39817), (2204, 35698), (2746, 28652), (3016, 26087), (4408, 17849), (5492, 14326), (7163, 10984)]