172194516

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1399}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 470870400

約数和(自身を除く): 298675884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 263, 468, 526, 789, 1052, 1399, 1578, 2367, 2798, 3156, 3419, 4197, 4734, 5596, 6838, 8394, 9468, 10257, 12591, 13676, 16788, 18187, 20514, 25182, 30771, 36374, 41028, 50364, 54561, 61542, 72748, 109122, 123084, 163683, 218244, 327366, 367937, 654732, 735874, 1103811, 1471748, 2207622, 3311433, 4415244, 4783181, 6622866, 9566362, 13245732, 14349543, 19132724, 28699086, 43048629, 57398172, 86097258, 172194516]

約数ペア:

[(1, 172194516), (2, 86097258), (3, 57398172), (4, 43048629), (6, 28699086), (9, 19132724), (12, 14349543), (13, 13245732), (18, 9566362), (26, 6622866), (36, 4783181), (39, 4415244), (52, 3311433), (78, 2207622), (117, 1471748), (156, 1103811), (234, 735874), (263, 654732), (468, 367937), (526, 327366), (789, 218244), (1052, 163683), (1399, 123084), (1578, 109122), (2367, 72748), (2798, 61542), (3156, 54561), (3419, 50364), (4197, 41028), (4734, 36374), (5596, 30771), (6838, 25182), (8394, 20514), (9468, 18187), (10257, 16788), (12591, 13676)]