686636764

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{7129}}^1$

素因数の和:7354

約数の個数: 36

約数和(自身を含む): 1327606000

約数和(自身を除く): 640969236

約数列:

[1, 2, 4, 11, 22, 44, 121, 199, 242, 398, 484, 796, 2189, 4378, 7129, 8756, 14258, 24079, 28516, 48158, 78419, 96316, 156838, 313676, 862609, 1418671, 1725218, 2837342, 3450436, 5674684, 15605381, 31210762, 62421524, 171659191, 343318382, 686636764]

約数ペア:

[(1, 686636764), (2, 343318382), (4, 171659191), (11, 62421524), (22, 31210762), (44, 15605381), (121, 5674684), (199, 3450436), (242, 2837342), (398, 1725218), (484, 1418671), (796, 862609), (2189, 313676), (4378, 156838), (7129, 96316), (8756, 78419), (14258, 48158), (24079, 28516)]