128310832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 286669152

約数和(自身を除く): 158358320

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 131, 136, 208, 221, 262, 272, 277, 442, 524, 554, 884, 1048, 1108, 1703, 1768, 2096, 2216, 2227, 3406, 3536, 3601, 4432, 4454, 4709, 6812, 7202, 8908, 9418, 13624, 14404, 17816, 18836, 27248, 28808, 28951, 35632, 36287, 37672, 57616, 57902, 61217, 72574, 75344, 115804, 122434, 145148, 231608, 244868, 290296, 463216, 471731, 489736, 580592, 616879, 943462, 979472, 1233758, 1886924, 2467516, 3773848, 4935032, 7547696, 8019427, 9870064, 16038854, 32077708, 64155416, 128310832]

約数ペア:

[(1, 128310832), (2, 64155416), (4, 32077708), (8, 16038854), (13, 9870064), (16, 8019427), (17, 7547696), (26, 4935032), (34, 3773848), (52, 2467516), (68, 1886924), (104, 1233758), (131, 979472), (136, 943462), (208, 616879), (221, 580592), (262, 489736), (272, 471731), (277, 463216), (442, 290296), (524, 244868), (554, 231608), (884, 145148), (1048, 122434), (1108, 115804), (1703, 75344), (1768, 72574), (2096, 61217), (2216, 57902), (2227, 57616), (3406, 37672), (3536, 36287), (3601, 35632), (4432, 28951), (4454, 28808), (4709, 27248), (6812, 18836), (7202, 17816), (8908, 14404), (9418, 13624)]