81085004

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:316

約数の個数: 108

約数和(自身を含む): 196135632

約数和(自身を除く): 115050628

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 121, 143, 154, 182, 196, 242, 263, 286, 308, 364, 484, 526, 539, 572, 637, 847, 1001, 1052, 1078, 1274, 1573, 1694, 1841, 2002, 2156, 2548, 2893, 3146, 3388, 3419, 3682, 4004, 5786, 5929, 6292, 6838, 7007, 7364, 11011, 11572, 11858, 12887, 13676, 14014, 20251, 22022, 23716, 23933, 25774, 28028, 31823, 37609, 40502, 44044, 47866, 51548, 63646, 75218, 77077, 81004, 95732, 127292, 141757, 150436, 154154, 167531, 222761, 263263, 283514, 308308, 335062, 413699, 445522, 526526, 567028, 670124, 827398, 891044, 1053052, 1559327, 1654796, 1842841, 2895893, 3118654, 3685682, 5791786, 6237308, 7371364, 11583572, 20271251, 40542502, 81085004]

約数ペア:

[(1, 81085004), (2, 40542502), (4, 20271251), (7, 11583572), (11, 7371364), (13, 6237308), (14, 5791786), (22, 3685682), (26, 3118654), (28, 2895893), (44, 1842841), (49, 1654796), (52, 1559327), (77, 1053052), (91, 891044), (98, 827398), (121, 670124), (143, 567028), (154, 526526), (182, 445522), (196, 413699), (242, 335062), (263, 308308), (286, 283514), (308, 263263), (364, 222761), (484, 167531), (526, 154154), (539, 150436), (572, 141757), (637, 127292), (847, 95732), (1001, 81004), (1052, 77077), (1078, 75218), (1274, 63646), (1573, 51548), (1694, 47866), (1841, 44044), (2002, 40502), (2156, 37609), (2548, 31823), (2893, 28028), (3146, 25774), (3388, 23933), (3419, 23716), (3682, 22022), (4004, 20251), (5786, 14014), (5929, 13676), (6292, 12887), (6838, 11858), (7007, 11572), (7364, 11011)]