28137708

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1387

約数の個数: 72

約数和(自身を含む): 77342720

約数和(自身を除く): 49205012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1116, 1178, 1327, 1767, 2356, 2654, 3534, 3981, 5301, 5308, 7068, 7962, 10602, 11943, 15924, 21204, 23886, 25213, 41137, 47772, 50426, 75639, 82274, 100852, 123411, 151278, 164548, 226917, 246822, 302556, 370233, 453834, 493644, 740466, 781603, 907668, 1480932, 1563206, 2344809, 3126412, 4689618, 7034427, 9379236, 14068854, 28137708]

約数ペア:

[(1, 28137708), (2, 14068854), (3, 9379236), (4, 7034427), (6, 4689618), (9, 3126412), (12, 2344809), (18, 1563206), (19, 1480932), (31, 907668), (36, 781603), (38, 740466), (57, 493644), (62, 453834), (76, 370233), (93, 302556), (114, 246822), (124, 226917), (171, 164548), (186, 151278), (228, 123411), (279, 100852), (342, 82274), (372, 75639), (558, 50426), (589, 47772), (684, 41137), (1116, 25213), (1178, 23886), (1327, 21204), (1767, 15924), (2356, 11943), (2654, 10602), (3534, 7962), (3981, 7068), (5301, 5308)]