78314721821

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{1801}}^1$

素因数の和:2346

約数の個数: 48

約数和(自身を含む): 95844487680

約数和(自身を除く): 17529765859

約数列:

[1, 7, 29, 49, 71, 203, 431, 497, 1421, 1801, 2059, 3017, 3479, 12499, 12607, 14413, 21119, 30601, 52229, 87493, 88249, 100891, 127871, 214207, 365603, 612451, 776231, 887429, 895097, 1499449, 2559221, 3708259, 5433617, 6212003, 6265679, 22510699, 25957813, 38035319, 43484021, 55112401, 157574893, 181704691, 385786807, 1103024251, 1598259629, 2700507649, 11187817403, 78314721821]

約数ペア:

[(1, 78314721821), (7, 11187817403), (29, 2700507649), (49, 1598259629), (71, 1103024251), (203, 385786807), (431, 181704691), (497, 157574893), (1421, 55112401), (1801, 43484021), (2059, 38035319), (3017, 25957813), (3479, 22510699), (12499, 6265679), (12607, 6212003), (14413, 5433617), (21119, 3708259), (30601, 2559221), (52229, 1499449), (87493, 895097), (88249, 887429), (100891, 776231), (127871, 612451), (214207, 365603)]