28304122

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 56567808

約数和(自身を除く): 28263686

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 61, 77, 122, 131, 154, 161, 253, 262, 322, 427, 506, 671, 854, 917, 1342, 1403, 1441, 1771, 1834, 2806, 2882, 3013, 3542, 4697, 6026, 7991, 9394, 9821, 10087, 15433, 15982, 19642, 20174, 21091, 30866, 33143, 42182, 55937, 66286, 87901, 108031, 111874, 175802, 183793, 216062, 232001, 367586, 464002, 615307, 1230614, 1286551, 2021723, 2573102, 4043446, 14152061, 28304122]

約数ペア:

[(1, 28304122), (2, 14152061), (7, 4043446), (11, 2573102), (14, 2021723), (22, 1286551), (23, 1230614), (46, 615307), (61, 464002), (77, 367586), (122, 232001), (131, 216062), (154, 183793), (161, 175802), (253, 111874), (262, 108031), (322, 87901), (427, 66286), (506, 55937), (671, 42182), (854, 33143), (917, 30866), (1342, 21091), (1403, 20174), (1441, 19642), (1771, 15982), (1834, 15433), (2806, 10087), (2882, 9821), (3013, 9394), (3542, 7991), (4697, 6026)]