128752778

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 257126400

約数和(自身を除く): 128373622

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 79, 133, 154, 158, 209, 266, 418, 553, 557, 869, 1106, 1114, 1463, 1501, 1738, 2926, 3002, 3899, 6083, 6127, 7798, 10507, 10583, 12166, 12254, 16511, 21014, 21166, 33022, 42889, 44003, 74081, 85778, 88006, 115577, 116413, 148162, 231154, 232826, 308021, 484033, 616042, 814891, 836057, 968066, 1629782, 1672114, 3388231, 5852399, 6776462, 9196627, 11704798, 18393254, 64376389, 128752778]

約数ペア:

[(1, 128752778), (2, 64376389), (7, 18393254), (11, 11704798), (14, 9196627), (19, 6776462), (22, 5852399), (38, 3388231), (77, 1672114), (79, 1629782), (133, 968066), (154, 836057), (158, 814891), (209, 616042), (266, 484033), (418, 308021), (553, 232826), (557, 231154), (869, 148162), (1106, 116413), (1114, 115577), (1463, 88006), (1501, 85778), (1738, 74081), (2926, 44003), (3002, 42889), (3899, 33022), (6083, 21166), (6127, 21014), (7798, 16511), (10507, 12254), (10583, 12166)]