217979888

素因数分解:

$2^4\times 7^1\times {\mathrm{233}}^1\times {\mathrm{8353}}^1$

素因数の和:8601

約数の個数: 40

約数和(自身を含む): 484799328

約数和(自身を除く): 266819440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 233, 466, 932, 1631, 1864, 3262, 3728, 6524, 8353, 13048, 16706, 26096, 33412, 58471, 66824, 116942, 133648, 233884, 467768, 935536, 1946249, 3892498, 7784996, 13623743, 15569992, 27247486, 31139984, 54494972, 108989944, 217979888]

約数ペア:

[(1, 217979888), (2, 108989944), (4, 54494972), (7, 31139984), (8, 27247486), (14, 15569992), (16, 13623743), (28, 7784996), (56, 3892498), (112, 1946249), (233, 935536), (466, 467768), (932, 233884), (1631, 133648), (1864, 116942), (3262, 66824), (3728, 58471), (6524, 33412), (8353, 26096), (13048, 16706)]