278748

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 756000

約数和(自身を除く): 477252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 89, 108, 116, 174, 178, 261, 267, 348, 356, 522, 534, 783, 801, 1044, 1068, 1566, 1602, 2403, 2581, 3132, 3204, 4806, 5162, 7743, 9612, 10324, 15486, 23229, 30972, 46458, 69687, 92916, 139374, 278748]

約数ペア:

[(1, 278748), (2, 139374), (3, 92916), (4, 69687), (6, 46458), (9, 30972), (12, 23229), (18, 15486), (27, 10324), (29, 9612), (36, 7743), (54, 5162), (58, 4806), (87, 3204), (89, 3132), (108, 2581), (116, 2403), (174, 1602), (178, 1566), (261, 1068), (267, 1044), (348, 801), (356, 783), (522, 534)]