28139776

素因数分解:

$2^8\times 7^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 65931264

約数和(自身を除く): 37791488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 256, 287, 328, 383, 448, 574, 656, 766, 896, 1148, 1312, 1532, 1792, 2296, 2624, 2681, 3064, 4592, 5248, 5362, 6128, 9184, 10496, 10724, 12256, 15703, 18368, 21448, 24512, 31406, 36736, 42896, 49024, 62812, 73472, 85792, 98048, 109921, 125624, 171584, 219842, 251248, 343168, 439684, 502496, 686336, 879368, 1004992, 1758736, 2009984, 3517472, 4019968, 7034944, 14069888, 28139776]

約数ペア:

[(1, 28139776), (2, 14069888), (4, 7034944), (7, 4019968), (8, 3517472), (14, 2009984), (16, 1758736), (28, 1004992), (32, 879368), (41, 686336), (56, 502496), (64, 439684), (82, 343168), (112, 251248), (128, 219842), (164, 171584), (224, 125624), (256, 109921), (287, 98048), (328, 85792), (383, 73472), (448, 62812), (574, 49024), (656, 42896), (766, 36736), (896, 31406), (1148, 24512), (1312, 21448), (1532, 18368), (1792, 15703), (2296, 12256), (2624, 10724), (2681, 10496), (3064, 9184), (4592, 6128), (5248, 5362)]