87031568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 194737536

約数和(自身を除く): 107705968

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 151, 163, 208, 221, 272, 302, 326, 442, 604, 652, 884, 1208, 1304, 1768, 1963, 2119, 2416, 2567, 2608, 2771, 3536, 3926, 4238, 5134, 5542, 7852, 8476, 10268, 11084, 15704, 16952, 20536, 22168, 24613, 31408, 33371, 33904, 36023, 41072, 44336, 49226, 66742, 72046, 98452, 133484, 144092, 196904, 266968, 288184, 319969, 393808, 418421, 533936, 576368, 639938, 836842, 1279876, 1673684, 2559752, 3347368, 5119504, 5439473, 6694736, 10878946, 21757892, 43515784, 87031568]

約数ペア:

[(1, 87031568), (2, 43515784), (4, 21757892), (8, 10878946), (13, 6694736), (16, 5439473), (17, 5119504), (26, 3347368), (34, 2559752), (52, 1673684), (68, 1279876), (104, 836842), (136, 639938), (151, 576368), (163, 533936), (208, 418421), (221, 393808), (272, 319969), (302, 288184), (326, 266968), (442, 196904), (604, 144092), (652, 133484), (884, 98452), (1208, 72046), (1304, 66742), (1768, 49226), (1963, 44336), (2119, 41072), (2416, 36023), (2567, 33904), (2608, 33371), (2771, 31408), (3536, 24613), (3926, 22168), (4238, 20536), (5134, 16952), (5542, 15704), (7852, 11084), (8476, 10268)]