215765968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{23131}}^1$

素因数の和:23203

約数の個数: 40

約数和(自身を含む): 464675616

約数和(自身を除く): 248909648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2332, 4664, 9328, 23131, 46262, 92524, 185048, 254441, 370096, 508882, 1017764, 1225943, 2035528, 2451886, 4071056, 4903772, 9807544, 13485373, 19615088, 26970746, 53941492, 107882984, 215765968]

約数ペア:

[(1, 215765968), (2, 107882984), (4, 53941492), (8, 26970746), (11, 19615088), (16, 13485373), (22, 9807544), (44, 4903772), (53, 4071056), (88, 2451886), (106, 2035528), (176, 1225943), (212, 1017764), (424, 508882), (583, 370096), (848, 254441), (1166, 185048), (2332, 92524), (4664, 46262), (9328, 23131)]