261093456

素因数分解:

$2^4\times 3^4\times {\mathrm{13}}^1\times {\mathrm{15497}}^1$

素因数の和:15530

約数の個数: 100

約数和(自身を含む): 813861972

約数和(自身を除く): 552768516

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 72, 78, 81, 104, 108, 117, 144, 156, 162, 208, 216, 234, 312, 324, 351, 432, 468, 624, 648, 702, 936, 1053, 1296, 1404, 1872, 2106, 2808, 4212, 5616, 8424, 15497, 16848, 30994, 46491, 61988, 92982, 123976, 139473, 185964, 201461, 247952, 278946, 371928, 402922, 418419, 557892, 604383, 743856, 805844, 836838, 1115784, 1208766, 1255257, 1611688, 1673676, 1813149, 2231568, 2417532, 2510514, 3223376, 3347352, 3626298, 4835064, 5021028, 5439447, 6694704, 7252596, 9670128, 10042056, 10878894, 14505192, 16318341, 20084112, 21757788, 29010384, 32636682, 43515576, 65273364, 87031152, 130546728, 261093456]

約数ペア:

[(1, 261093456), (2, 130546728), (3, 87031152), (4, 65273364), (6, 43515576), (8, 32636682), (9, 29010384), (12, 21757788), (13, 20084112), (16, 16318341), (18, 14505192), (24, 10878894), (26, 10042056), (27, 9670128), (36, 7252596), (39, 6694704), (48, 5439447), (52, 5021028), (54, 4835064), (72, 3626298), (78, 3347352), (81, 3223376), (104, 2510514), (108, 2417532), (117, 2231568), (144, 1813149), (156, 1673676), (162, 1611688), (208, 1255257), (216, 1208766), (234, 1115784), (312, 836838), (324, 805844), (351, 743856), (432, 604383), (468, 557892), (624, 418419), (648, 402922), (702, 371928), (936, 278946), (1053, 247952), (1296, 201461), (1404, 185964), (1872, 139473), (2106, 123976), (2808, 92982), (4212, 61988), (5616, 46491), (8424, 30994), (15497, 16848)]