64712752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{739}}^1$

素因数の和:1181

約数の個数: 40

約数和(自身を含む): 135529520

約数和(自身を除く): 70816768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 421, 739, 842, 1478, 1684, 2956, 3368, 5473, 5912, 6736, 9607, 10946, 11824, 19214, 21892, 38428, 43784, 76856, 87568, 153712, 311119, 622238, 1244476, 2488952, 4044547, 4977904, 8089094, 16178188, 32356376, 64712752]

約数ペア:

[(1, 64712752), (2, 32356376), (4, 16178188), (8, 8089094), (13, 4977904), (16, 4044547), (26, 2488952), (52, 1244476), (104, 622238), (208, 311119), (421, 153712), (739, 87568), (842, 76856), (1478, 43784), (1684, 38428), (2956, 21892), (3368, 19214), (5473, 11824), (5912, 10946), (6736, 9607)]