164743936

素因数分解:

$2^8\times 7^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:789

約数の個数: 72

約数和(自身を含む): 378957600

約数和(自身を除く): 214213664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 149, 224, 256, 298, 448, 596, 617, 896, 1043, 1192, 1234, 1792, 2086, 2384, 2468, 4172, 4319, 4768, 4936, 8344, 8638, 9536, 9872, 16688, 17276, 19072, 19744, 33376, 34552, 38144, 39488, 66752, 69104, 78976, 91933, 133504, 138208, 157952, 183866, 267008, 276416, 367732, 552832, 643531, 735464, 1105664, 1287062, 1470928, 2574124, 2941856, 5148248, 5883712, 10296496, 11767424, 20592992, 23534848, 41185984, 82371968, 164743936]

約数ペア:

[(1, 164743936), (2, 82371968), (4, 41185984), (7, 23534848), (8, 20592992), (14, 11767424), (16, 10296496), (28, 5883712), (32, 5148248), (56, 2941856), (64, 2574124), (112, 1470928), (128, 1287062), (149, 1105664), (224, 735464), (256, 643531), (298, 552832), (448, 367732), (596, 276416), (617, 267008), (896, 183866), (1043, 157952), (1192, 138208), (1234, 133504), (1792, 91933), (2086, 78976), (2384, 69104), (2468, 66752), (4172, 39488), (4319, 38144), (4768, 34552), (4936, 33376), (8344, 19744), (8638, 19072), (9536, 17276), (9872, 16688)]