71646984

素因数分解:

$2^3\times 3^3\times {\mathrm{409}}^1\times {\mathrm{811}}^1$

素因数の和:1235

約数の個数: 64

約数和(自身を含む): 199752000

約数和(自身を除く): 128105016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 409, 811, 818, 1227, 1622, 1636, 2433, 2454, 3244, 3272, 3681, 4866, 4908, 6488, 7299, 7362, 9732, 9816, 11043, 14598, 14724, 19464, 21897, 22086, 29196, 29448, 43794, 44172, 58392, 87588, 88344, 175176, 331699, 663398, 995097, 1326796, 1990194, 2653592, 2985291, 3980388, 5970582, 7960776, 8955873, 11941164, 17911746, 23882328, 35823492, 71646984]

約数ペア:

[(1, 71646984), (2, 35823492), (3, 23882328), (4, 17911746), (6, 11941164), (8, 8955873), (9, 7960776), (12, 5970582), (18, 3980388), (24, 2985291), (27, 2653592), (36, 1990194), (54, 1326796), (72, 995097), (108, 663398), (216, 331699), (409, 175176), (811, 88344), (818, 87588), (1227, 58392), (1622, 44172), (1636, 43794), (2433, 29448), (2454, 29196), (3244, 22086), (3272, 21897), (3681, 19464), (4866, 14724), (4908, 14598), (6488, 11043), (7299, 9816), (7362, 9732)]