42421775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 63210240

約数和(自身を除く): 20788465

約数列:

[1, 5, 11, 19, 23, 25, 55, 95, 115, 209, 253, 275, 353, 437, 475, 575, 1045, 1265, 1765, 2185, 3883, 4807, 5225, 6325, 6707, 8119, 8825, 10925, 19415, 24035, 33535, 40595, 73777, 89309, 97075, 120175, 154261, 167675, 202975, 368885, 446545, 771305, 1696871, 1844425, 2232725, 3856525, 8484355, 42421775]

約数ペア:

[(1, 42421775), (5, 8484355), (11, 3856525), (19, 2232725), (23, 1844425), (25, 1696871), (55, 771305), (95, 446545), (115, 368885), (209, 202975), (253, 167675), (275, 154261), (353, 120175), (437, 97075), (475, 89309), (575, 73777), (1045, 40595), (1265, 33535), (1765, 24035), (2185, 19415), (3883, 10925), (4807, 8825), (5225, 8119), (6325, 6707)]