28338984

素因数分解:

$2^3\times 3^4\times {\mathrm{101}}^1\times {\mathrm{433}}^1$

素因数の和:552

約数の個数: 80

約数和(自身を含む): 80346420

約数和(自身を除く): 52007436

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 101, 108, 162, 202, 216, 303, 324, 404, 433, 606, 648, 808, 866, 909, 1212, 1299, 1732, 1818, 2424, 2598, 2727, 3464, 3636, 3897, 5196, 5454, 7272, 7794, 8181, 10392, 10908, 11691, 15588, 16362, 21816, 23382, 31176, 32724, 35073, 43733, 46764, 65448, 70146, 87466, 93528, 131199, 140292, 174932, 262398, 280584, 349864, 393597, 524796, 787194, 1049592, 1180791, 1574388, 2361582, 3148776, 3542373, 4723164, 7084746, 9446328, 14169492, 28338984]

約数ペア:

[(1, 28338984), (2, 14169492), (3, 9446328), (4, 7084746), (6, 4723164), (8, 3542373), (9, 3148776), (12, 2361582), (18, 1574388), (24, 1180791), (27, 1049592), (36, 787194), (54, 524796), (72, 393597), (81, 349864), (101, 280584), (108, 262398), (162, 174932), (202, 140292), (216, 131199), (303, 93528), (324, 87466), (404, 70146), (433, 65448), (606, 46764), (648, 43733), (808, 35073), (866, 32724), (909, 31176), (1212, 23382), (1299, 21816), (1732, 16362), (1818, 15588), (2424, 11691), (2598, 10908), (2727, 10392), (3464, 8181), (3636, 7794), (3897, 7272), (5196, 5454)]