15721667524

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1109}}^1\times {\mathrm{1279}}^1$

素因数の和:2572

約数の個数: 48

約数和(自身を含む): 29359411200

約数和(自身を除く): 13637743676

約数列:

[1, 2, 4, 17, 34, 68, 163, 326, 652, 1109, 1279, 2218, 2558, 2771, 4436, 5116, 5542, 11084, 18853, 21743, 37706, 43486, 75412, 86972, 180767, 208477, 361534, 416954, 723068, 833908, 1418411, 2836822, 3073039, 3544109, 5673644, 6146078, 7088218, 12292156, 14176436, 24112987, 48225974, 96451948, 231200993, 462401986, 924803972, 3930416881, 7860833762, 15721667524]

約数ペア:

[(1, 15721667524), (2, 7860833762), (4, 3930416881), (17, 924803972), (34, 462401986), (68, 231200993), (163, 96451948), (326, 48225974), (652, 24112987), (1109, 14176436), (1279, 12292156), (2218, 7088218), (2558, 6146078), (2771, 5673644), (4436, 3544109), (5116, 3073039), (5542, 2836822), (11084, 1418411), (18853, 833908), (21743, 723068), (37706, 416954), (43486, 361534), (75412, 208477), (86972, 180767)]