81507036

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 218453760

約数和(自身を除く): 136946724

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 107, 114, 156, 214, 228, 247, 257, 321, 428, 494, 514, 642, 741, 771, 988, 1028, 1284, 1391, 1482, 1542, 2033, 2782, 2964, 3084, 3341, 4066, 4173, 4883, 5564, 6099, 6682, 8132, 8346, 9766, 10023, 12198, 13364, 14649, 16692, 19532, 20046, 24396, 26429, 27499, 29298, 40092, 52858, 54998, 58596, 63479, 79287, 82497, 105716, 109996, 126958, 158574, 164994, 190437, 253916, 317148, 329988, 357487, 380874, 522481, 714974, 761748, 1044962, 1072461, 1429948, 1567443, 2089924, 2144922, 3134886, 4289844, 6269772, 6792253, 13584506, 20376759, 27169012, 40753518, 81507036]

約数ペア:

[(1, 81507036), (2, 40753518), (3, 27169012), (4, 20376759), (6, 13584506), (12, 6792253), (13, 6269772), (19, 4289844), (26, 3134886), (38, 2144922), (39, 2089924), (52, 1567443), (57, 1429948), (76, 1072461), (78, 1044962), (107, 761748), (114, 714974), (156, 522481), (214, 380874), (228, 357487), (247, 329988), (257, 317148), (321, 253916), (428, 190437), (494, 164994), (514, 158574), (642, 126958), (741, 109996), (771, 105716), (988, 82497), (1028, 79287), (1284, 63479), (1391, 58596), (1482, 54998), (1542, 52858), (2033, 40092), (2782, 29298), (2964, 27499), (3084, 26429), (3341, 24396), (4066, 20046), (4173, 19532), (4883, 16692), (5564, 14649), (6099, 13364), (6682, 12198), (8132, 10023), (8346, 9766)]