404875996

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2971}}^1$

素因数の和:3170

約数の個数: 48

約数和(自身を含む): 841480192

約数和(自身を除く): 436604196

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 157, 217, 314, 434, 628, 868, 1099, 2198, 2971, 4396, 4867, 5942, 9734, 11884, 19468, 20797, 34069, 41594, 68138, 83188, 92101, 136276, 184202, 368404, 466447, 644707, 932894, 1289414, 1865788, 2578828, 3265129, 6530258, 13060516, 14459857, 28919714, 57839428, 101218999, 202437998, 404875996]

約数ペア:

[(1, 404875996), (2, 202437998), (4, 101218999), (7, 57839428), (14, 28919714), (28, 14459857), (31, 13060516), (62, 6530258), (124, 3265129), (157, 2578828), (217, 1865788), (314, 1289414), (434, 932894), (628, 644707), (868, 466447), (1099, 368404), (2198, 184202), (2971, 136276), (4396, 92101), (4867, 83188), (5942, 68138), (9734, 41594), (11884, 34069), (19468, 20797)]