81869788

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 144

約数和(自身を含む): 205922304

約数和(自身を除く): 124052516

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 23, 26, 28, 44, 46, 49, 52, 77, 91, 92, 98, 127, 143, 154, 161, 182, 196, 253, 254, 286, 299, 308, 322, 364, 506, 508, 539, 572, 598, 637, 644, 889, 1001, 1012, 1078, 1127, 1196, 1274, 1397, 1651, 1771, 1778, 2002, 2093, 2156, 2254, 2548, 2794, 2921, 3289, 3302, 3542, 3556, 4004, 4186, 4508, 5588, 5842, 6223, 6578, 6604, 7007, 7084, 8372, 9779, 11557, 11684, 12397, 12446, 13156, 14014, 14651, 18161, 19558, 20447, 23023, 23114, 24794, 24892, 28028, 29302, 32131, 36322, 37973, 39116, 40894, 46046, 46228, 49588, 58604, 64262, 68453, 72644, 75946, 80899, 81788, 92092, 127127, 128524, 136906, 143129, 151892, 161161, 161798, 224917, 254254, 265811, 273812, 286258, 322322, 323596, 417703, 449834, 508508, 531622, 572516, 644644, 835406, 889889, 899668, 1063244, 1574419, 1670812, 1779778, 1860677, 2923921, 3148838, 3559556, 3721354, 5847842, 6297676, 7442708, 11695684, 20467447, 40934894, 81869788]

約数ペア:

[(1, 81869788), (2, 40934894), (4, 20467447), (7, 11695684), (11, 7442708), (13, 6297676), (14, 5847842), (22, 3721354), (23, 3559556), (26, 3148838), (28, 2923921), (44, 1860677), (46, 1779778), (49, 1670812), (52, 1574419), (77, 1063244), (91, 899668), (92, 889889), (98, 835406), (127, 644644), (143, 572516), (154, 531622), (161, 508508), (182, 449834), (196, 417703), (253, 323596), (254, 322322), (286, 286258), (299, 273812), (308, 265811), (322, 254254), (364, 224917), (506, 161798), (508, 161161), (539, 151892), (572, 143129), (598, 136906), (637, 128524), (644, 127127), (889, 92092), (1001, 81788), (1012, 80899), (1078, 75946), (1127, 72644), (1196, 68453), (1274, 64262), (1397, 58604), (1651, 49588), (1771, 46228), (1778, 46046), (2002, 40894), (2093, 39116), (2156, 37973), (2254, 36322), (2548, 32131), (2794, 29302), (2921, 28028), (3289, 24892), (3302, 24794), (3542, 23114), (3556, 23023), (4004, 20447), (4186, 19558), (4508, 18161), (5588, 14651), (5842, 14014), (6223, 13156), (6578, 12446), (6604, 12397), (7007, 11684), (7084, 11557), (8372, 9779)]