28081372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 56383488

約数和(自身を除く): 28302116

約数列:

[1, 2, 4, 11, 22, 37, 44, 47, 74, 94, 148, 188, 367, 407, 517, 734, 814, 1034, 1468, 1628, 1739, 2068, 3478, 4037, 6956, 8074, 13579, 16148, 17249, 19129, 27158, 34498, 38258, 54316, 68996, 76516, 149369, 189739, 298738, 379478, 597476, 638213, 758956, 1276426, 2552852, 7020343, 14040686, 28081372]

約数ペア:

[(1, 28081372), (2, 14040686), (4, 7020343), (11, 2552852), (22, 1276426), (37, 758956), (44, 638213), (47, 597476), (74, 379478), (94, 298738), (148, 189739), (188, 149369), (367, 76516), (407, 68996), (517, 54316), (734, 38258), (814, 34498), (1034, 27158), (1468, 19129), (1628, 17249), (1739, 16148), (2068, 13579), (3478, 8074), (4037, 6956)]