28317996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1091}}^1$

素因数の和:1211

約数の個数: 72

約数和(自身を含む): 82677504

約数和(自身を除く): 54359508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 927, 1091, 1236, 1442, 1854, 2163, 2182, 2884, 3273, 3708, 4326, 4364, 6489, 6546, 7637, 8652, 9819, 12978, 13092, 15274, 19638, 22911, 25956, 30548, 39276, 45822, 68733, 91644, 112373, 137466, 224746, 274932, 337119, 449492, 674238, 786611, 1011357, 1348476, 1573222, 2022714, 2359833, 3146444, 4045428, 4719666, 7079499, 9439332, 14158998, 28317996]

約数ペア:

[(1, 28317996), (2, 14158998), (3, 9439332), (4, 7079499), (6, 4719666), (7, 4045428), (9, 3146444), (12, 2359833), (14, 2022714), (18, 1573222), (21, 1348476), (28, 1011357), (36, 786611), (42, 674238), (63, 449492), (84, 337119), (103, 274932), (126, 224746), (206, 137466), (252, 112373), (309, 91644), (412, 68733), (618, 45822), (721, 39276), (927, 30548), (1091, 25956), (1236, 22911), (1442, 19638), (1854, 15274), (2163, 13092), (2182, 12978), (2884, 9819), (3273, 8652), (3708, 7637), (4326, 6546), (4364, 6489)]