81490344

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2441}}^1$

素因数の和:2570

約数の個数: 64

約数和(自身を含む): 221538240

約数和(自身を除く): 140047896

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 107, 156, 214, 312, 321, 428, 642, 856, 1284, 1391, 2441, 2568, 2782, 4173, 4882, 5564, 7323, 8346, 9764, 11128, 14646, 16692, 19528, 29292, 31733, 33384, 58584, 63466, 95199, 126932, 190398, 253864, 261187, 380796, 522374, 761592, 783561, 1044748, 1567122, 2089496, 3134244, 3395431, 6268488, 6790862, 10186293, 13581724, 20372586, 27163448, 40745172, 81490344]

約数ペア:

[(1, 81490344), (2, 40745172), (3, 27163448), (4, 20372586), (6, 13581724), (8, 10186293), (12, 6790862), (13, 6268488), (24, 3395431), (26, 3134244), (39, 2089496), (52, 1567122), (78, 1044748), (104, 783561), (107, 761592), (156, 522374), (214, 380796), (312, 261187), (321, 253864), (428, 190398), (642, 126932), (856, 95199), (1284, 63466), (1391, 58584), (2441, 33384), (2568, 31733), (2782, 29292), (4173, 19528), (4882, 16692), (5564, 14646), (7323, 11128), (8346, 9764)]