31415648

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2879}}^1$

素因数の和:2931

約数の個数: 48

約数和(自身を含む): 69672960

約数和(自身を除く): 38257312

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 88, 124, 176, 248, 341, 352, 496, 682, 992, 1364, 2728, 2879, 5456, 5758, 10912, 11516, 23032, 31669, 46064, 63338, 89249, 92128, 126676, 178498, 253352, 356996, 506704, 713992, 981739, 1013408, 1427984, 1963478, 2855968, 3926956, 7853912, 15707824, 31415648]

約数ペア:

[(1, 31415648), (2, 15707824), (4, 7853912), (8, 3926956), (11, 2855968), (16, 1963478), (22, 1427984), (31, 1013408), (32, 981739), (44, 713992), (62, 506704), (88, 356996), (124, 253352), (176, 178498), (248, 126676), (341, 92128), (352, 89249), (496, 63338), (682, 46064), (992, 31669), (1364, 23032), (2728, 11516), (2879, 10912), (5456, 5758)]