199901912

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{3559}}^1$

素因数の和:3648

約数の個数: 64

約数和(自身を含む): 461376000

約数和(自身を除く): 261474088

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 59, 68, 118, 119, 136, 236, 238, 413, 472, 476, 826, 952, 1003, 1652, 2006, 3304, 3559, 4012, 7021, 7118, 8024, 14042, 14236, 24913, 28084, 28472, 49826, 56168, 60503, 99652, 121006, 199304, 209981, 242012, 419962, 423521, 484024, 839924, 847042, 1469867, 1679848, 1694084, 2939734, 3388168, 3569677, 5879468, 7139354, 11758936, 14278708, 24987739, 28557416, 49975478, 99950956, 199901912]

約数ペア:

[(1, 199901912), (2, 99950956), (4, 49975478), (7, 28557416), (8, 24987739), (14, 14278708), (17, 11758936), (28, 7139354), (34, 5879468), (56, 3569677), (59, 3388168), (68, 2939734), (118, 1694084), (119, 1679848), (136, 1469867), (236, 847042), (238, 839924), (413, 484024), (472, 423521), (476, 419962), (826, 242012), (952, 209981), (1003, 199304), (1652, 121006), (2006, 99652), (3304, 60503), (3559, 56168), (4012, 49826), (7021, 28472), (7118, 28084), (8024, 24913), (14042, 14236)]