28331856

素因数分解:

$2^4\times 3^6\times 7^1\times {\mathrm{347}}^1$

素因数の和:380

約数の個数: 140

約数和(自身を含む): 94330272

約数和(自身を除く): 65998416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 243, 252, 324, 336, 347, 378, 432, 486, 504, 567, 648, 694, 729, 756, 972, 1008, 1041, 1134, 1296, 1388, 1458, 1512, 1701, 1944, 2082, 2268, 2429, 2776, 2916, 3024, 3123, 3402, 3888, 4164, 4536, 4858, 5103, 5552, 5832, 6246, 6804, 7287, 8328, 9072, 9369, 9716, 10206, 11664, 12492, 13608, 14574, 16656, 18738, 19432, 20412, 21861, 24984, 27216, 28107, 29148, 37476, 38864, 40824, 43722, 49968, 56214, 58296, 65583, 74952, 81648, 84321, 87444, 112428, 116592, 131166, 149904, 168642, 174888, 196749, 224856, 252963, 262332, 337284, 349776, 393498, 449712, 505926, 524664, 590247, 674568, 786996, 1011852, 1049328, 1180494, 1349136, 1573992, 1770741, 2023704, 2360988, 3147984, 3541482, 4047408, 4721976, 7082964, 9443952, 14165928, 28331856]

約数ペア:

[(1, 28331856), (2, 14165928), (3, 9443952), (4, 7082964), (6, 4721976), (7, 4047408), (8, 3541482), (9, 3147984), (12, 2360988), (14, 2023704), (16, 1770741), (18, 1573992), (21, 1349136), (24, 1180494), (27, 1049328), (28, 1011852), (36, 786996), (42, 674568), (48, 590247), (54, 524664), (56, 505926), (63, 449712), (72, 393498), (81, 349776), (84, 337284), (108, 262332), (112, 252963), (126, 224856), (144, 196749), (162, 174888), (168, 168642), (189, 149904), (216, 131166), (243, 116592), (252, 112428), (324, 87444), (336, 84321), (347, 81648), (378, 74952), (432, 65583), (486, 58296), (504, 56214), (567, 49968), (648, 43722), (694, 40824), (729, 38864), (756, 37476), (972, 29148), (1008, 28107), (1041, 27216), (1134, 24984), (1296, 21861), (1388, 20412), (1458, 19432), (1512, 18738), (1701, 16656), (1944, 14574), (2082, 13608), (2268, 12492), (2429, 11664), (2776, 10206), (2916, 9716), (3024, 9369), (3123, 9072), (3402, 8328), (3888, 7287), (4164, 6804), (4536, 6246), (4858, 5832), (5103, 5552)]