28491316

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 59076864

約数和(自身を除く): 30585548

約数列:

[1, 2, 4, 7, 14, 28, 53, 73, 106, 146, 212, 263, 292, 371, 511, 526, 742, 1022, 1052, 1484, 1841, 2044, 3682, 3869, 7364, 7738, 13939, 15476, 19199, 27083, 27878, 38398, 54166, 55756, 76796, 97573, 108332, 134393, 195146, 268786, 390292, 537572, 1017547, 2035094, 4070188, 7122829, 14245658, 28491316]

約数ペア:

[(1, 28491316), (2, 14245658), (4, 7122829), (7, 4070188), (14, 2035094), (28, 1017547), (53, 537572), (73, 390292), (106, 268786), (146, 195146), (212, 134393), (263, 108332), (292, 97573), (371, 76796), (511, 55756), (526, 54166), (742, 38398), (1022, 27878), (1052, 27083), (1484, 19199), (1841, 15476), (2044, 13939), (3682, 7738), (3869, 7364)]