81738646

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 146991600

約数和(自身を除く): 65252954

約数列:

[1, 2, 11, 19, 22, 29, 38, 58, 121, 209, 242, 319, 418, 551, 613, 638, 1102, 1226, 2299, 3509, 4598, 6061, 6743, 7018, 11647, 12122, 13486, 17777, 23294, 35554, 66671, 74173, 128117, 133342, 148346, 195547, 256234, 337763, 391094, 675526, 1409287, 2151017, 2818574, 3715393, 4302034, 7430786, 40869323, 81738646]

約数ペア:

[(1, 81738646), (2, 40869323), (11, 7430786), (19, 4302034), (22, 3715393), (29, 2818574), (38, 2151017), (58, 1409287), (121, 675526), (209, 391094), (242, 337763), (319, 256234), (418, 195547), (551, 148346), (613, 133342), (638, 128117), (1102, 74173), (1226, 66671), (2299, 35554), (3509, 23294), (4598, 17777), (6061, 13486), (6743, 12122), (7018, 11647)]