989463904

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{16633}}^1$

素因数の和:16680

約数の個数: 72

約数和(自身を含む): 2301280632

約数和(自身を除く): 1311816728

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 169, 176, 208, 286, 338, 352, 416, 572, 676, 1144, 1352, 1859, 2288, 2704, 3718, 4576, 5408, 7436, 14872, 16633, 29744, 33266, 59488, 66532, 133064, 182963, 216229, 266128, 365926, 432458, 532256, 731852, 864916, 1463704, 1729832, 2378519, 2810977, 2927408, 3459664, 4757038, 5621954, 5854816, 6919328, 9514076, 11243908, 19028152, 22487816, 30920747, 38056304, 44975632, 61841494, 76112608, 89951264, 123682988, 247365976, 494731952, 989463904]

約数ペア:

[(1, 989463904), (2, 494731952), (4, 247365976), (8, 123682988), (11, 89951264), (13, 76112608), (16, 61841494), (22, 44975632), (26, 38056304), (32, 30920747), (44, 22487816), (52, 19028152), (88, 11243908), (104, 9514076), (143, 6919328), (169, 5854816), (176, 5621954), (208, 4757038), (286, 3459664), (338, 2927408), (352, 2810977), (416, 2378519), (572, 1729832), (676, 1463704), (1144, 864916), (1352, 731852), (1859, 532256), (2288, 432458), (2704, 365926), (3718, 266128), (4576, 216229), (5408, 182963), (7436, 133064), (14872, 66532), (16633, 59488), (29744, 33266)]