201787828

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{21943}}^1$

素因数の和:21988

約数の個数: 36

約数和(自身を含む): 408597280

約数和(自身を除く): 206809452

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2299, 4598, 9196, 21943, 43886, 87772, 241373, 416917, 482746, 833834, 965492, 1667668, 2655103, 4586087, 5310206, 9172174, 10620412, 18344348, 50446957, 100893914, 201787828]

約数ペア:

[(1, 201787828), (2, 100893914), (4, 50446957), (11, 18344348), (19, 10620412), (22, 9172174), (38, 5310206), (44, 4586087), (76, 2655103), (121, 1667668), (209, 965492), (242, 833834), (418, 482746), (484, 416917), (836, 241373), (2299, 87772), (4598, 43886), (9196, 21943)]