81937712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{709}}^1$

素因数の和:981

約数の個数: 40

約数和(自身を含む): 164810880

約数和(自身を除く): 82873168

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 233, 248, 466, 496, 709, 932, 1418, 1864, 2836, 3728, 5672, 7223, 11344, 14446, 21979, 28892, 43958, 57784, 87916, 115568, 165197, 175832, 330394, 351664, 660788, 1321576, 2643152, 5121107, 10242214, 20484428, 40968856, 81937712]

約数ペア:

[(1, 81937712), (2, 40968856), (4, 20484428), (8, 10242214), (16, 5121107), (31, 2643152), (62, 1321576), (124, 660788), (233, 351664), (248, 330394), (466, 175832), (496, 165197), (709, 115568), (932, 87916), (1418, 57784), (1864, 43958), (2836, 28892), (3728, 21979), (5672, 14446), (7223, 11344)]