991316144

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:755

約数の個数: 120

約数和(自身を含む): 2409345792

約数和(自身を除く): 1418029648

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 83, 91, 104, 112, 166, 169, 182, 208, 332, 338, 364, 581, 631, 664, 676, 728, 1079, 1162, 1183, 1262, 1328, 1352, 1456, 2158, 2324, 2366, 2524, 2704, 4316, 4417, 4648, 4732, 5048, 7553, 8203, 8632, 8834, 9296, 9464, 10096, 14027, 15106, 16406, 17264, 17668, 18928, 28054, 30212, 32812, 35336, 52373, 56108, 57421, 60424, 65624, 70672, 98189, 104746, 106639, 112216, 114842, 120848, 131248, 196378, 209492, 213278, 224432, 229684, 366611, 392756, 418984, 426556, 459368, 680849, 733222, 746473, 785512, 837968, 853112, 918736, 1361698, 1466444, 1492946, 1571024, 1706224, 2723396, 2932888, 2985892, 4765943, 5446792, 5865776, 5971784, 8851037, 9531886, 10893584, 11943568, 17702074, 19063772, 35404148, 38127544, 61957259, 70808296, 76255088, 123914518, 141616592, 247829036, 495658072, 991316144]

約数ペア:

[(1, 991316144), (2, 495658072), (4, 247829036), (7, 141616592), (8, 123914518), (13, 76255088), (14, 70808296), (16, 61957259), (26, 38127544), (28, 35404148), (52, 19063772), (56, 17702074), (83, 11943568), (91, 10893584), (104, 9531886), (112, 8851037), (166, 5971784), (169, 5865776), (182, 5446792), (208, 4765943), (332, 2985892), (338, 2932888), (364, 2723396), (581, 1706224), (631, 1571024), (664, 1492946), (676, 1466444), (728, 1361698), (1079, 918736), (1162, 853112), (1183, 837968), (1262, 785512), (1328, 746473), (1352, 733222), (1456, 680849), (2158, 459368), (2324, 426556), (2366, 418984), (2524, 392756), (2704, 366611), (4316, 229684), (4417, 224432), (4648, 213278), (4732, 209492), (5048, 196378), (7553, 131248), (8203, 120848), (8632, 114842), (8834, 112216), (9296, 106639), (9464, 104746), (10096, 98189), (14027, 70672), (15106, 65624), (16406, 60424), (17264, 57421), (17668, 56108), (18928, 52373), (28054, 35336), (30212, 32812)]