128387728

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 295981056

約数和(自身を除く): 167593328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 73, 82, 112, 146, 164, 287, 292, 328, 383, 511, 574, 584, 656, 766, 1022, 1148, 1168, 1532, 2044, 2296, 2681, 2993, 3064, 4088, 4592, 5362, 5986, 6128, 8176, 10724, 11972, 15703, 20951, 21448, 23944, 27959, 31406, 41902, 42896, 47888, 55918, 62812, 83804, 109921, 111836, 125624, 167608, 195713, 219842, 223672, 251248, 335216, 391426, 439684, 447344, 782852, 879368, 1146319, 1565704, 1758736, 2292638, 3131408, 4585276, 8024233, 9170552, 16048466, 18341104, 32096932, 64193864, 128387728]

約数ペア:

[(1, 128387728), (2, 64193864), (4, 32096932), (7, 18341104), (8, 16048466), (14, 9170552), (16, 8024233), (28, 4585276), (41, 3131408), (56, 2292638), (73, 1758736), (82, 1565704), (112, 1146319), (146, 879368), (164, 782852), (287, 447344), (292, 439684), (328, 391426), (383, 335216), (511, 251248), (574, 223672), (584, 219842), (656, 195713), (766, 167608), (1022, 125624), (1148, 111836), (1168, 109921), (1532, 83804), (2044, 62812), (2296, 55918), (2681, 47888), (2993, 42896), (3064, 41902), (4088, 31406), (4592, 27959), (5362, 23944), (5986, 21448), (6128, 20951), (8176, 15703), (10724, 11972)]