1640821284

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{137699}}^1$

素因数の和:138040

約数の個数: 36

約数和(自身を含む): 4160192400

約数和(自身を除く): 2519371116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1986, 2979, 3972, 5958, 11916, 137699, 275398, 413097, 550796, 826194, 1239291, 1652388, 2478582, 4957164, 45578369, 91156738, 136735107, 182313476, 273470214, 410205321, 546940428, 820410642, 1640821284]

約数ペア:

[(1, 1640821284), (2, 820410642), (3, 546940428), (4, 410205321), (6, 273470214), (9, 182313476), (12, 136735107), (18, 91156738), (36, 45578369), (331, 4957164), (662, 2478582), (993, 1652388), (1324, 1239291), (1986, 826194), (2979, 550796), (3972, 413097), (5958, 275398), (11916, 137699)]