217336784

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{62597}}^1$

素因数の和:62643

約数の個数: 40

約数和(自身を含む): 496777728

約数和(自身を除く): 279440944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 62597, 125194, 250388, 438179, 500776, 876358, 1001552, 1752716, 1940507, 3505432, 3881014, 7010864, 7762028, 13583549, 15524056, 27167098, 31048112, 54334196, 108668392, 217336784]

約数ペア:

[(1, 217336784), (2, 108668392), (4, 54334196), (7, 31048112), (8, 27167098), (14, 15524056), (16, 13583549), (28, 7762028), (31, 7010864), (56, 3881014), (62, 3505432), (112, 1940507), (124, 1752716), (217, 1001552), (248, 876358), (434, 500776), (496, 438179), (868, 250388), (1736, 125194), (3472, 62597)]