207297904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61991}}^1$

素因数の和:62029

約数の個数: 40

約数和(自身を含む): 461220480

約数和(自身を除く): 253922576

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 61991, 123982, 247964, 495928, 681901, 991856, 1177829, 1363802, 2355658, 2727604, 4711316, 5455208, 9422632, 10910416, 12956119, 18845264, 25912238, 51824476, 103648952, 207297904]

約数ペア:

[(1, 207297904), (2, 103648952), (4, 51824476), (8, 25912238), (11, 18845264), (16, 12956119), (19, 10910416), (22, 9422632), (38, 5455208), (44, 4711316), (76, 2727604), (88, 2355658), (152, 1363802), (176, 1177829), (209, 991856), (304, 681901), (418, 495928), (836, 247964), (1672, 123982), (3344, 61991)]