128545228

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 279925632

約数和(自身を除く): 151380404

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 173, 196, 223, 238, 346, 446, 476, 692, 833, 892, 1211, 1561, 1666, 2422, 2941, 3122, 3332, 3791, 4844, 5882, 6244, 7582, 8477, 10927, 11764, 15164, 16954, 20587, 21854, 26537, 33908, 38579, 41174, 43708, 53074, 77158, 82348, 106148, 144109, 154316, 185759, 270053, 288218, 371518, 540106, 576436, 655843, 743036, 1080212, 1311686, 1890371, 2623372, 3780742, 4590901, 7561484, 9181802, 18363604, 32136307, 64272614, 128545228]

約数ペア:

[(1, 128545228), (2, 64272614), (4, 32136307), (7, 18363604), (14, 9181802), (17, 7561484), (28, 4590901), (34, 3780742), (49, 2623372), (68, 1890371), (98, 1311686), (119, 1080212), (173, 743036), (196, 655843), (223, 576436), (238, 540106), (346, 371518), (446, 288218), (476, 270053), (692, 185759), (833, 154316), (892, 144109), (1211, 106148), (1561, 82348), (1666, 77158), (2422, 53074), (2941, 43708), (3122, 41174), (3332, 38579), (3791, 33908), (4844, 26537), (5882, 21854), (6244, 20587), (7582, 16954), (8477, 15164), (10927, 11764)]