28757092

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 62406400

約数和(自身を除く): 33649308

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 199, 364, 397, 398, 794, 796, 1393, 1588, 2587, 2779, 2786, 5161, 5174, 5558, 5572, 10322, 10348, 11116, 18109, 20644, 36127, 36218, 72254, 72436, 79003, 144508, 158006, 316012, 553021, 1027039, 1106042, 2054078, 2212084, 4108156, 7189273, 14378546, 28757092]

約数ペア:

[(1, 28757092), (2, 14378546), (4, 7189273), (7, 4108156), (13, 2212084), (14, 2054078), (26, 1106042), (28, 1027039), (52, 553021), (91, 316012), (182, 158006), (199, 144508), (364, 79003), (397, 72436), (398, 72254), (794, 36218), (796, 36127), (1393, 20644), (1588, 18109), (2587, 11116), (2779, 10348), (2786, 10322), (5161, 5572), (5174, 5558)]