28666386

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1487}}^1$

素因数の和:1525

約数の個数: 80

約数和(自身を含む): 77780736

約数和(自身を除く): 49114350

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 81, 102, 119, 126, 153, 162, 189, 238, 306, 357, 378, 459, 567, 714, 918, 1071, 1134, 1377, 1487, 2142, 2754, 2974, 3213, 4461, 6426, 8922, 9639, 10409, 13383, 19278, 20818, 25279, 26766, 31227, 40149, 50558, 62454, 75837, 80298, 93681, 120447, 151674, 176953, 187362, 227511, 240894, 281043, 353906, 455022, 530859, 562086, 682533, 843129, 1061718, 1365066, 1592577, 1686258, 2047599, 3185154, 4095198, 4777731, 9555462, 14333193, 28666386]

約数ペア:

[(1, 28666386), (2, 14333193), (3, 9555462), (6, 4777731), (7, 4095198), (9, 3185154), (14, 2047599), (17, 1686258), (18, 1592577), (21, 1365066), (27, 1061718), (34, 843129), (42, 682533), (51, 562086), (54, 530859), (63, 455022), (81, 353906), (102, 281043), (119, 240894), (126, 227511), (153, 187362), (162, 176953), (189, 151674), (238, 120447), (306, 93681), (357, 80298), (378, 75837), (459, 62454), (567, 50558), (714, 40149), (918, 31227), (1071, 26766), (1134, 25279), (1377, 20818), (1487, 19278), (2142, 13383), (2754, 10409), (2974, 9639), (3213, 8922), (4461, 6426)]