28156176

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 85307040

約数和(自身を除く): 57150864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 41, 48, 57, 72, 76, 82, 114, 123, 144, 152, 164, 171, 228, 246, 251, 304, 328, 342, 369, 456, 492, 502, 656, 684, 738, 753, 779, 912, 984, 1004, 1368, 1476, 1506, 1558, 1968, 2008, 2259, 2337, 2736, 2952, 3012, 3116, 4016, 4518, 4674, 4769, 5904, 6024, 6232, 7011, 9036, 9348, 9538, 10291, 12048, 12464, 14022, 14307, 18072, 18696, 19076, 20582, 28044, 28614, 30873, 36144, 37392, 38152, 41164, 42921, 56088, 57228, 61746, 76304, 82328, 85842, 92619, 112176, 114456, 123492, 164656, 171684, 185238, 195529, 228912, 246984, 343368, 370476, 391058, 493968, 586587, 686736, 740952, 782116, 1173174, 1481904, 1564232, 1759761, 2346348, 3128464, 3519522, 4692696, 7039044, 9385392, 14078088, 28156176]

約数ペア:

[(1, 28156176), (2, 14078088), (3, 9385392), (4, 7039044), (6, 4692696), (8, 3519522), (9, 3128464), (12, 2346348), (16, 1759761), (18, 1564232), (19, 1481904), (24, 1173174), (36, 782116), (38, 740952), (41, 686736), (48, 586587), (57, 493968), (72, 391058), (76, 370476), (82, 343368), (114, 246984), (123, 228912), (144, 195529), (152, 185238), (164, 171684), (171, 164656), (228, 123492), (246, 114456), (251, 112176), (304, 92619), (328, 85842), (342, 82328), (369, 76304), (456, 61746), (492, 57228), (502, 56088), (656, 42921), (684, 41164), (738, 38152), (753, 37392), (779, 36144), (912, 30873), (984, 28614), (1004, 28044), (1368, 20582), (1476, 19076), (1506, 18696), (1558, 18072), (1968, 14307), (2008, 14022), (2259, 12464), (2337, 12048), (2736, 10291), (2952, 9538), (3012, 9348), (3116, 9036), (4016, 7011), (4518, 6232), (4674, 6024), (4769, 5904)]