66438972

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 178323600

約数和(自身を除く): 111884628

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 137, 171, 228, 274, 342, 411, 548, 684, 709, 822, 1233, 1418, 1644, 2127, 2466, 2603, 2836, 4254, 4932, 5206, 6381, 7809, 8508, 10412, 12762, 13471, 15618, 23427, 25524, 26942, 31236, 40413, 46854, 53884, 80826, 93708, 97133, 121239, 161652, 194266, 242478, 291399, 388532, 484956, 582798, 874197, 1165596, 1748394, 1845527, 3496788, 3691054, 5536581, 7382108, 11073162, 16609743, 22146324, 33219486, 66438972]

約数ペア:

[(1, 66438972), (2, 33219486), (3, 22146324), (4, 16609743), (6, 11073162), (9, 7382108), (12, 5536581), (18, 3691054), (19, 3496788), (36, 1845527), (38, 1748394), (57, 1165596), (76, 874197), (114, 582798), (137, 484956), (171, 388532), (228, 291399), (274, 242478), (342, 194266), (411, 161652), (548, 121239), (684, 97133), (709, 93708), (822, 80826), (1233, 53884), (1418, 46854), (1644, 40413), (2127, 31236), (2466, 26942), (2603, 25524), (2836, 23427), (4254, 15618), (4932, 13471), (5206, 12762), (6381, 10412), (7809, 8508)]