158657128

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 357120000

約数和(自身を除く): 198462872

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 199, 322, 398, 619, 644, 796, 1238, 1288, 1393, 1592, 2476, 2786, 4333, 4577, 4952, 5572, 8666, 9154, 11144, 14237, 17332, 18308, 28474, 32039, 34664, 36616, 56948, 64078, 99659, 113896, 123181, 128156, 199318, 246362, 256312, 398636, 492724, 797272, 862267, 985448, 1724534, 2833163, 3449068, 5666326, 6898136, 11332652, 19832141, 22665304, 39664282, 79328564, 158657128]

約数ペア:

[(1, 158657128), (2, 79328564), (4, 39664282), (7, 22665304), (8, 19832141), (14, 11332652), (23, 6898136), (28, 5666326), (46, 3449068), (56, 2833163), (92, 1724534), (161, 985448), (184, 862267), (199, 797272), (322, 492724), (398, 398636), (619, 256312), (644, 246362), (796, 199318), (1238, 128156), (1288, 123181), (1393, 113896), (1592, 99659), (2476, 64078), (2786, 56948), (4333, 36616), (4577, 34664), (4952, 32039), (5572, 28474), (8666, 18308), (9154, 17332), (11144, 14237)]