328638128

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1723}}^1$

素因数の和:1882

約数の個数: 80

約数和(自身を含む): 790116096

約数和(自身を除く): 461477968

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 131, 182, 208, 262, 364, 524, 728, 917, 1048, 1456, 1703, 1723, 1834, 2096, 3406, 3446, 3668, 6812, 6892, 7336, 11921, 12061, 13624, 13784, 14672, 22399, 23842, 24122, 27248, 27568, 44798, 47684, 48244, 89596, 95368, 96488, 156793, 179192, 190736, 192976, 225713, 313586, 358384, 451426, 627172, 902852, 1254344, 1579991, 1805704, 2508688, 2934269, 3159982, 3611408, 5868538, 6319964, 11737076, 12639928, 20539883, 23474152, 25279856, 41079766, 46948304, 82159532, 164319064, 328638128]

約数ペア:

[(1, 328638128), (2, 164319064), (4, 82159532), (7, 46948304), (8, 41079766), (13, 25279856), (14, 23474152), (16, 20539883), (26, 12639928), (28, 11737076), (52, 6319964), (56, 5868538), (91, 3611408), (104, 3159982), (112, 2934269), (131, 2508688), (182, 1805704), (208, 1579991), (262, 1254344), (364, 902852), (524, 627172), (728, 451426), (917, 358384), (1048, 313586), (1456, 225713), (1703, 192976), (1723, 190736), (1834, 179192), (2096, 156793), (3406, 96488), (3446, 95368), (3668, 89596), (6812, 48244), (6892, 47684), (7336, 44798), (11921, 27568), (12061, 27248), (13624, 24122), (13784, 23842), (14672, 22399)]