388039428

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{219977}}^1$

素因数の和:220001

約数の個数: 54

約数和(自身を含む): 1141025886

約数和(自身を除く): 752986458

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 219977, 439954, 659931, 879908, 1319862, 1539839, 1979793, 2639724, 3079678, 3959586, 4619517, 6159356, 7919172, 9239034, 10778873, 13858551, 18478068, 21557746, 27717102, 32336619, 43115492, 55434204, 64673238, 97009857, 129346476, 194019714, 388039428]

約数ペア:

[(1, 388039428), (2, 194019714), (3, 129346476), (4, 97009857), (6, 64673238), (7, 55434204), (9, 43115492), (12, 32336619), (14, 27717102), (18, 21557746), (21, 18478068), (28, 13858551), (36, 10778873), (42, 9239034), (49, 7919172), (63, 6159356), (84, 4619517), (98, 3959586), (126, 3079678), (147, 2639724), (196, 1979793), (252, 1539839), (294, 1319862), (441, 879908), (588, 659931), (882, 439954), (1764, 219977)]