81215628

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{769}}^1$

素因数の和:1466

約数の個数: 48

約数和(自身を含む): 204647520

約数和(自身を除く): 123431892

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 677, 769, 1354, 1538, 2031, 2307, 2708, 3076, 4062, 4614, 8124, 8801, 9228, 9997, 17602, 19994, 26403, 29991, 35204, 39988, 52806, 59982, 105612, 119964, 520613, 1041226, 1561839, 2082452, 3123678, 6247356, 6767969, 13535938, 20303907, 27071876, 40607814, 81215628]

約数ペア:

[(1, 81215628), (2, 40607814), (3, 27071876), (4, 20303907), (6, 13535938), (12, 6767969), (13, 6247356), (26, 3123678), (39, 2082452), (52, 1561839), (78, 1041226), (156, 520613), (677, 119964), (769, 105612), (1354, 59982), (1538, 52806), (2031, 39988), (2307, 35204), (2708, 29991), (3076, 26403), (4062, 19994), (4614, 17602), (8124, 9997), (8801, 9228)]