643169968

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1$

素因数の和:714

約数の個数: 80

約数和(自身を含む): 1454510080

約数和(自身を除く): 811340112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 157, 158, 314, 316, 463, 553, 628, 632, 926, 1099, 1106, 1256, 1264, 1852, 2198, 2212, 2512, 3241, 3704, 4396, 4424, 6482, 7408, 8792, 8848, 12403, 12964, 17584, 24806, 25928, 36577, 49612, 51856, 72691, 73154, 86821, 99224, 145382, 146308, 173642, 198448, 256039, 290764, 292616, 347284, 508837, 512078, 581528, 585232, 694568, 1017674, 1024156, 1163056, 1389136, 2035348, 2048312, 4070696, 4096624, 5742589, 8141392, 11485178, 22970356, 40198123, 45940712, 80396246, 91881424, 160792492, 321584984, 643169968]

約数ペア:

[(1, 643169968), (2, 321584984), (4, 160792492), (7, 91881424), (8, 80396246), (14, 45940712), (16, 40198123), (28, 22970356), (56, 11485178), (79, 8141392), (112, 5742589), (157, 4096624), (158, 4070696), (314, 2048312), (316, 2035348), (463, 1389136), (553, 1163056), (628, 1024156), (632, 1017674), (926, 694568), (1099, 585232), (1106, 581528), (1256, 512078), (1264, 508837), (1852, 347284), (2198, 292616), (2212, 290764), (2512, 256039), (3241, 198448), (3704, 173642), (4396, 146308), (4424, 145382), (6482, 99224), (7408, 86821), (8792, 73154), (8848, 72691), (12403, 51856), (12964, 49612), (17584, 36577), (24806, 25928)]