15663928

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 35294400

約数和(自身を除く): 19630472

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1289, 1519, 1736, 2578, 3038, 5156, 6076, 9023, 10312, 12152, 18046, 36092, 39959, 63161, 72184, 79918, 126322, 159836, 252644, 279713, 319672, 505288, 559426, 1118852, 1957991, 2237704, 3915982, 7831964, 15663928]

約数ペア:

[(1, 15663928), (2, 7831964), (4, 3915982), (7, 2237704), (8, 1957991), (14, 1118852), (28, 559426), (31, 505288), (49, 319672), (56, 279713), (62, 252644), (98, 159836), (124, 126322), (196, 79918), (217, 72184), (248, 63161), (392, 39959), (434, 36092), (868, 18046), (1289, 12152), (1519, 10312), (1736, 9023), (2578, 6076), (3038, 5156)]