28320516

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{12487}}^1$

素因数の和:12510

約数の個数: 60

約数和(自身を含む): 84618688

約数和(自身を除く): 56298172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 12487, 24974, 37461, 49948, 74922, 87409, 112383, 149844, 174818, 224766, 262227, 337149, 349636, 449532, 524454, 674298, 786681, 1011447, 1048908, 1348596, 1573362, 2022894, 2360043, 3146724, 4045788, 4720086, 7080129, 9440172, 14160258, 28320516]

約数ペア:

[(1, 28320516), (2, 14160258), (3, 9440172), (4, 7080129), (6, 4720086), (7, 4045788), (9, 3146724), (12, 2360043), (14, 2022894), (18, 1573362), (21, 1348596), (27, 1048908), (28, 1011447), (36, 786681), (42, 674298), (54, 524454), (63, 449532), (81, 349636), (84, 337149), (108, 262227), (126, 224766), (162, 174818), (189, 149844), (252, 112383), (324, 87409), (378, 74922), (567, 49948), (756, 37461), (1134, 24974), (2268, 12487)]