28501308

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^2\times {\mathrm{727}}^1$

素因数の和:765

約数の個数: 90

約数和(自身を含む): 82009928

約数和(自身を除く): 53508620

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 121, 132, 162, 198, 242, 297, 324, 363, 396, 484, 594, 726, 727, 891, 1089, 1188, 1452, 1454, 1782, 2178, 2181, 2908, 3267, 3564, 4356, 4362, 6534, 6543, 7997, 8724, 9801, 13068, 13086, 15994, 19602, 19629, 23991, 26172, 31988, 39204, 39258, 47982, 58887, 71973, 78516, 87967, 95964, 117774, 143946, 175934, 215919, 235548, 263901, 287892, 351868, 431838, 527802, 647757, 791703, 863676, 1055604, 1295514, 1583406, 2375109, 2591028, 3166812, 4750218, 7125327, 9500436, 14250654, 28501308]

約数ペア:

[(1, 28501308), (2, 14250654), (3, 9500436), (4, 7125327), (6, 4750218), (9, 3166812), (11, 2591028), (12, 2375109), (18, 1583406), (22, 1295514), (27, 1055604), (33, 863676), (36, 791703), (44, 647757), (54, 527802), (66, 431838), (81, 351868), (99, 287892), (108, 263901), (121, 235548), (132, 215919), (162, 175934), (198, 143946), (242, 117774), (297, 95964), (324, 87967), (363, 78516), (396, 71973), (484, 58887), (594, 47982), (726, 39258), (727, 39204), (891, 31988), (1089, 26172), (1188, 23991), (1452, 19629), (1454, 19602), (1782, 15994), (2178, 13086), (2181, 13068), (2908, 9801), (3267, 8724), (3564, 7997), (4356, 6543), (4362, 6534)]