128840983904

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{690259}}^1$

素因数の和:690595

約数の個数: 48

約数和(自身を含む): 267876100800

約数和(自身を除く): 139035116896

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 307, 608, 614, 1228, 2456, 4912, 5833, 9824, 11666, 23332, 46664, 93328, 186656, 690259, 1380518, 2761036, 5522072, 11044144, 13114921, 22088288, 26229842, 52459684, 104919368, 209838736, 211909513, 419677472, 423819026, 847638052, 1695276104, 3390552208, 4026280747, 6781104416, 8052561494, 16105122988, 32210245976, 64420491952, 128840983904]

約数ペア:

[(1, 128840983904), (2, 64420491952), (4, 32210245976), (8, 16105122988), (16, 8052561494), (19, 6781104416), (32, 4026280747), (38, 3390552208), (76, 1695276104), (152, 847638052), (304, 423819026), (307, 419677472), (608, 211909513), (614, 209838736), (1228, 104919368), (2456, 52459684), (4912, 26229842), (5833, 22088288), (9824, 13114921), (11666, 11044144), (23332, 5522072), (46664, 2761036), (93328, 1380518), (186656, 690259)]