820908197172

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{171451169}}^1$

素因数の和:171451205

約数の個数: 72

約数和(自身を含む): 2496329035200

約数和(自身を除く): 1675420838028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 171451169, 342902338, 514353507, 685804676, 1028707014, 1200158183, 1543060521, 2057414028, 2400316366, 3086121042, 3257572211, 3600474549, 4800632732, 6172242084, 6515144422, 7200949098, 9772716633, 10801423647, 13030288844, 14401898196, 19545433266, 21602847294, 22803005477, 29318149899, 39090866532, 43205694588, 45606010954, 58636299798, 68409016431, 91212021908, 117272599596, 136818032862, 205227049293, 273636065724, 410454098586, 820908197172]

約数ペア:

[(1, 820908197172), (2, 410454098586), (3, 273636065724), (4, 205227049293), (6, 136818032862), (7, 117272599596), (9, 91212021908), (12, 68409016431), (14, 58636299798), (18, 45606010954), (19, 43205694588), (21, 39090866532), (28, 29318149899), (36, 22803005477), (38, 21602847294), (42, 19545433266), (57, 14401898196), (63, 13030288844), (76, 10801423647), (84, 9772716633), (114, 7200949098), (126, 6515144422), (133, 6172242084), (171, 4800632732), (228, 3600474549), (252, 3257572211), (266, 3086121042), (342, 2400316366), (399, 2057414028), (532, 1543060521), (684, 1200158183), (798, 1028707014), (1197, 685804676), (1596, 514353507), (2394, 342902338), (4788, 171451169)]