65388728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 134265600

約数和(自身を除く): 68876872

約数列:

[1, 2, 4, 8, 19, 38, 71, 73, 76, 83, 142, 146, 152, 166, 284, 292, 332, 568, 584, 664, 1349, 1387, 1577, 2698, 2774, 3154, 5183, 5396, 5548, 5893, 6059, 6308, 10366, 10792, 11096, 11786, 12118, 12616, 20732, 23572, 24236, 41464, 47144, 48472, 98477, 111967, 115121, 196954, 223934, 230242, 393908, 430189, 447868, 460484, 787816, 860378, 895736, 920968, 1720756, 3441512, 8173591, 16347182, 32694364, 65388728]

約数ペア:

[(1, 65388728), (2, 32694364), (4, 16347182), (8, 8173591), (19, 3441512), (38, 1720756), (71, 920968), (73, 895736), (76, 860378), (83, 787816), (142, 460484), (146, 447868), (152, 430189), (166, 393908), (284, 230242), (292, 223934), (332, 196954), (568, 115121), (584, 111967), (664, 98477), (1349, 48472), (1387, 47144), (1577, 41464), (2698, 24236), (2774, 23572), (3154, 20732), (5183, 12616), (5396, 12118), (5548, 11786), (5893, 11096), (6059, 10792), (6308, 10366)]