28503244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 64350720

約数和(自身を除く): 35847476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 121, 154, 179, 188, 242, 308, 329, 358, 484, 517, 658, 716, 847, 1034, 1253, 1316, 1694, 1969, 2068, 2506, 3388, 3619, 3938, 5012, 5687, 7238, 7876, 8413, 11374, 13783, 14476, 16826, 21659, 22748, 27566, 33652, 39809, 43318, 55132, 58891, 79618, 86636, 92543, 117782, 151613, 159236, 185086, 235564, 303226, 370172, 606452, 647801, 1017973, 1295602, 2035946, 2591204, 4071892, 7125811, 14251622, 28503244]

約数ペア:

[(1, 28503244), (2, 14251622), (4, 7125811), (7, 4071892), (11, 2591204), (14, 2035946), (22, 1295602), (28, 1017973), (44, 647801), (47, 606452), (77, 370172), (94, 303226), (121, 235564), (154, 185086), (179, 159236), (188, 151613), (242, 117782), (308, 92543), (329, 86636), (358, 79618), (484, 58891), (517, 55132), (658, 43318), (716, 39809), (847, 33652), (1034, 27566), (1253, 22748), (1316, 21659), (1694, 16826), (1969, 14476), (2068, 13783), (2506, 11374), (3388, 8413), (3619, 7876), (3938, 7238), (5012, 5687)]