878947996

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 1608768000

約数和(自身を除く): 729820004

約数列:

[1, 2, 4, 41, 79, 82, 158, 164, 179, 316, 358, 379, 716, 758, 1516, 3239, 6478, 7339, 12956, 14141, 14678, 15539, 28282, 29356, 29941, 31078, 56564, 59882, 62156, 67841, 119764, 135682, 271364, 579781, 1159562, 1227581, 2319124, 2455162, 2781481, 4910324, 5359439, 5562962, 10718878, 11125924, 21437756, 219736999, 439473998, 878947996]

約数ペア:

[(1, 878947996), (2, 439473998), (4, 219736999), (41, 21437756), (79, 11125924), (82, 10718878), (158, 5562962), (164, 5359439), (179, 4910324), (316, 2781481), (358, 2455162), (379, 2319124), (716, 1227581), (758, 1159562), (1516, 579781), (3239, 271364), (6478, 135682), (7339, 119764), (12956, 67841), (14141, 62156), (14678, 59882), (15539, 56564), (28282, 31078), (29356, 29941)]