28505554

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 56077056

約数和(自身を除く): 27571502

約数列:

[1, 2, 7, 11, 14, 22, 31, 49, 62, 77, 98, 154, 217, 341, 434, 539, 682, 853, 1078, 1519, 1706, 2387, 3038, 4774, 5971, 9383, 11942, 16709, 18766, 26443, 33418, 41797, 52886, 65681, 83594, 131362, 185101, 290873, 370202, 459767, 581746, 919534, 1295707, 2036111, 2591414, 4072222, 14252777, 28505554]

約数ペア:

[(1, 28505554), (2, 14252777), (7, 4072222), (11, 2591414), (14, 2036111), (22, 1295707), (31, 919534), (49, 581746), (62, 459767), (77, 370202), (98, 290873), (154, 185101), (217, 131362), (341, 83594), (434, 65681), (539, 52886), (682, 41797), (853, 33418), (1078, 26443), (1519, 18766), (1706, 16709), (2387, 11942), (3038, 9383), (4774, 5971)]