991057936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{296369}}^1$

素因数の和:296407

約数の個数: 40

約数和(自身を含む): 2204992800

約数和(自身を除く): 1213934864

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 296369, 592738, 1185476, 2370952, 3260059, 4741904, 5631011, 6520118, 11262022, 13040236, 22524044, 26080472, 45048088, 52160944, 61941121, 90096176, 123882242, 247764484, 495528968, 991057936]

約数ペア:

[(1, 991057936), (2, 495528968), (4, 247764484), (8, 123882242), (11, 90096176), (16, 61941121), (19, 52160944), (22, 45048088), (38, 26080472), (44, 22524044), (76, 13040236), (88, 11262022), (152, 6520118), (176, 5631011), (209, 4741904), (304, 3260059), (418, 2370952), (836, 1185476), (1672, 592738), (3344, 296369)]