243217492

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{907}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 498107008

約数和(自身を除く): 254889516

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 157, 244, 314, 427, 628, 854, 907, 1099, 1708, 1814, 2198, 3628, 4396, 6349, 9577, 12698, 19154, 25396, 38308, 55327, 67039, 110654, 134078, 142399, 221308, 268156, 284798, 387289, 569596, 774578, 996793, 1549156, 1993586, 3987172, 8686339, 17372678, 34745356, 60804373, 121608746, 243217492]

約数ペア:

[(1, 243217492), (2, 121608746), (4, 60804373), (7, 34745356), (14, 17372678), (28, 8686339), (61, 3987172), (122, 1993586), (157, 1549156), (244, 996793), (314, 774578), (427, 569596), (628, 387289), (854, 284798), (907, 268156), (1099, 221308), (1708, 142399), (1814, 134078), (2198, 110654), (3628, 67039), (4396, 55327), (6349, 38308), (9577, 25396), (12698, 19154)]