207890804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 407151360

約数和(自身を除く): 199260556

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 239, 373, 478, 583, 746, 956, 1166, 1492, 2332, 2629, 4103, 5258, 8206, 10516, 12667, 16412, 19769, 25334, 39538, 50668, 79076, 89147, 139337, 178294, 217459, 278674, 356588, 434918, 557348, 869836, 980617, 1961234, 3922468, 4724791, 9449582, 18899164, 51972701, 103945402, 207890804]

約数ペア:

[(1, 207890804), (2, 103945402), (4, 51972701), (11, 18899164), (22, 9449582), (44, 4724791), (53, 3922468), (106, 1961234), (212, 980617), (239, 869836), (373, 557348), (478, 434918), (583, 356588), (746, 278674), (956, 217459), (1166, 178294), (1492, 139337), (2332, 89147), (2629, 79076), (4103, 50668), (5258, 39538), (8206, 25334), (10516, 19769), (12667, 16412)]