28034748

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:333

約数の個数: 120

約数和(自身を含む): 85865472

約数和(自身を除く): 57830724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 47, 54, 63, 81, 84, 94, 108, 126, 141, 162, 188, 189, 252, 263, 282, 324, 329, 378, 423, 526, 564, 567, 658, 756, 789, 846, 987, 1052, 1134, 1269, 1316, 1578, 1692, 1841, 1974, 2268, 2367, 2538, 2961, 3156, 3682, 3807, 3948, 4734, 5076, 5523, 5922, 7101, 7364, 7614, 8883, 9468, 11046, 11844, 12361, 14202, 15228, 16569, 17766, 21303, 22092, 24722, 26649, 28404, 33138, 35532, 37083, 42606, 49444, 49707, 53298, 66276, 74166, 85212, 86527, 99414, 106596, 111249, 148332, 149121, 173054, 198828, 222498, 259581, 298242, 333747, 346108, 444996, 519162, 596484, 667494, 778743, 1001241, 1038324, 1334988, 1557486, 2002482, 2336229, 3114972, 4004964, 4672458, 7008687, 9344916, 14017374, 28034748]

約数ペア:

[(1, 28034748), (2, 14017374), (3, 9344916), (4, 7008687), (6, 4672458), (7, 4004964), (9, 3114972), (12, 2336229), (14, 2002482), (18, 1557486), (21, 1334988), (27, 1038324), (28, 1001241), (36, 778743), (42, 667494), (47, 596484), (54, 519162), (63, 444996), (81, 346108), (84, 333747), (94, 298242), (108, 259581), (126, 222498), (141, 198828), (162, 173054), (188, 149121), (189, 148332), (252, 111249), (263, 106596), (282, 99414), (324, 86527), (329, 85212), (378, 74166), (423, 66276), (526, 53298), (564, 49707), (567, 49444), (658, 42606), (756, 37083), (789, 35532), (846, 33138), (987, 28404), (1052, 26649), (1134, 24722), (1269, 22092), (1316, 21303), (1578, 17766), (1692, 16569), (1841, 15228), (1974, 14202), (2268, 12361), (2367, 11844), (2538, 11046), (2961, 9468), (3156, 8883), (3682, 7614), (3807, 7364), (3948, 7101), (4734, 5922), (5076, 5523)]