672464

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 1453032

約数和(自身を除く): 780568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 61, 104, 106, 122, 208, 212, 244, 424, 488, 689, 793, 848, 976, 1378, 1586, 2756, 3172, 3233, 5512, 6344, 6466, 11024, 12688, 12932, 25864, 42029, 51728, 84058, 168116, 336232, 672464]

約数ペア:

[(1, 672464), (2, 336232), (4, 168116), (8, 84058), (13, 51728), (16, 42029), (26, 25864), (52, 12932), (53, 12688), (61, 11024), (104, 6466), (106, 6344), (122, 5512), (208, 3233), (212, 3172), (244, 2756), (424, 1586), (488, 1378), (689, 976), (793, 848)]