78413868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1223}}^1$

素因数の和:1383

約数の個数: 72

約数和(自身を含む): 215193888

約数和(自身を除く): 136780020

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 137, 156, 234, 274, 411, 468, 548, 822, 1223, 1233, 1644, 1781, 2446, 2466, 3562, 3669, 4892, 4932, 5343, 7124, 7338, 10686, 11007, 14676, 15899, 16029, 21372, 22014, 31798, 32058, 44028, 47697, 63596, 64116, 95394, 143091, 167551, 190788, 286182, 335102, 502653, 572364, 670204, 1005306, 1507959, 2010612, 2178163, 3015918, 4356326, 6031836, 6534489, 8712652, 13068978, 19603467, 26137956, 39206934, 78413868]

約数ペア:

[(1, 78413868), (2, 39206934), (3, 26137956), (4, 19603467), (6, 13068978), (9, 8712652), (12, 6534489), (13, 6031836), (18, 4356326), (26, 3015918), (36, 2178163), (39, 2010612), (52, 1507959), (78, 1005306), (117, 670204), (137, 572364), (156, 502653), (234, 335102), (274, 286182), (411, 190788), (468, 167551), (548, 143091), (822, 95394), (1223, 64116), (1233, 63596), (1644, 47697), (1781, 44028), (2446, 32058), (2466, 31798), (3562, 22014), (3669, 21372), (4892, 16029), (4932, 15899), (5343, 14676), (7124, 11007), (7338, 10686)]