8915697788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1\times {\mathrm{2141}}^1$

素因数の和:2670

約数の個数: 48

約数和(自身を含む): 16583364000

約数和(自身を除く): 7667666212

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 349, 628, 698, 1396, 2141, 2983, 4282, 5966, 6631, 8564, 11932, 13262, 26524, 40679, 54793, 81358, 109586, 162716, 219172, 336137, 672274, 747209, 1041067, 1344548, 1494418, 2082134, 2988836, 4164268, 6386603, 12773206, 14196971, 25546412, 28393942, 56787884, 117311813, 234623626, 469247252, 2228924447, 4457848894, 8915697788]

約数ペア:

[(1, 8915697788), (2, 4457848894), (4, 2228924447), (19, 469247252), (38, 234623626), (76, 117311813), (157, 56787884), (314, 28393942), (349, 25546412), (628, 14196971), (698, 12773206), (1396, 6386603), (2141, 4164268), (2983, 2988836), (4282, 2082134), (5966, 1494418), (6631, 1344548), (8564, 1041067), (11932, 747209), (13262, 672274), (26524, 336137), (40679, 219172), (54793, 162716), (81358, 109586)]