28385604

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{463}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 78029952

約数和(自身を除く): 49644348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 131, 156, 234, 262, 393, 463, 468, 524, 786, 926, 1179, 1389, 1572, 1703, 1852, 2358, 2778, 3406, 4167, 4716, 5109, 5556, 6019, 6812, 8334, 10218, 12038, 15327, 16668, 18057, 20436, 24076, 30654, 36114, 54171, 60653, 61308, 72228, 108342, 121306, 181959, 216684, 242612, 363918, 545877, 727836, 788489, 1091754, 1576978, 2183508, 2365467, 3153956, 4730934, 7096401, 9461868, 14192802, 28385604]

約数ペア:

[(1, 28385604), (2, 14192802), (3, 9461868), (4, 7096401), (6, 4730934), (9, 3153956), (12, 2365467), (13, 2183508), (18, 1576978), (26, 1091754), (36, 788489), (39, 727836), (52, 545877), (78, 363918), (117, 242612), (131, 216684), (156, 181959), (234, 121306), (262, 108342), (393, 72228), (463, 61308), (468, 60653), (524, 54171), (786, 36114), (926, 30654), (1179, 24076), (1389, 20436), (1572, 18057), (1703, 16668), (1852, 15327), (2358, 12038), (2778, 10218), (3406, 8334), (4167, 6812), (4716, 6019), (5109, 5556)]