2980492396

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{21871}}^1$

素因数の和:22070

約数の個数: 48

約数和(自身を含む): 6192750592

約数和(自身を除く): 3212258196

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 157, 217, 314, 434, 628, 868, 1099, 2198, 4396, 4867, 9734, 19468, 21871, 34069, 43742, 68138, 87484, 136276, 153097, 306194, 612388, 678001, 1356002, 2712004, 3433747, 4746007, 6867494, 9492014, 13734988, 18984028, 24036229, 48072458, 96144916, 106446157, 212892314, 425784628, 745123099, 1490246198, 2980492396]

約数ペア:

[(1, 2980492396), (2, 1490246198), (4, 745123099), (7, 425784628), (14, 212892314), (28, 106446157), (31, 96144916), (62, 48072458), (124, 24036229), (157, 18984028), (217, 13734988), (314, 9492014), (434, 6867494), (628, 4746007), (868, 3433747), (1099, 2712004), (2198, 1356002), (4396, 678001), (4867, 612388), (9734, 306194), (19468, 153097), (21871, 136276), (34069, 87484), (43742, 68138)]