128869888

素因数分解:

$2^9\times 7^1\times {\mathrm{41}}^1\times {\mathrm{877}}^1$

素因数の和:943

約数の個数: 80

約数和(自身を含む): 301793184

約数和(自身を除く): 172923296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 64, 82, 112, 128, 164, 224, 256, 287, 328, 448, 512, 574, 656, 877, 896, 1148, 1312, 1754, 1792, 2296, 2624, 3508, 3584, 4592, 5248, 6139, 7016, 9184, 10496, 12278, 14032, 18368, 20992, 24556, 28064, 35957, 36736, 49112, 56128, 71914, 73472, 98224, 112256, 143828, 146944, 196448, 224512, 251699, 287656, 392896, 449024, 503398, 575312, 785792, 1006796, 1150624, 1571584, 2013592, 2301248, 3143168, 4027184, 4602496, 8054368, 9204992, 16108736, 18409984, 32217472, 64434944, 128869888]

約数ペア:

[(1, 128869888), (2, 64434944), (4, 32217472), (7, 18409984), (8, 16108736), (14, 9204992), (16, 8054368), (28, 4602496), (32, 4027184), (41, 3143168), (56, 2301248), (64, 2013592), (82, 1571584), (112, 1150624), (128, 1006796), (164, 785792), (224, 575312), (256, 503398), (287, 449024), (328, 392896), (448, 287656), (512, 251699), (574, 224512), (656, 196448), (877, 146944), (896, 143828), (1148, 112256), (1312, 98224), (1754, 73472), (1792, 71914), (2296, 56128), (2624, 49112), (3508, 36736), (3584, 35957), (4592, 28064), (5248, 24556), (6139, 20992), (7016, 18368), (9184, 14032), (10496, 12278)]