64388428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 125991936

約数和(自身を除く): 61603508

約数列:

[1, 2, 4, 13, 26, 52, 53, 61, 106, 122, 212, 244, 383, 689, 766, 793, 1378, 1532, 1586, 2756, 3172, 3233, 4979, 6466, 9958, 12932, 19916, 20299, 23363, 40598, 42029, 46726, 81196, 84058, 93452, 168116, 263887, 303719, 527774, 607438, 1055548, 1214876, 1238239, 2476478, 4952956, 16097107, 32194214, 64388428]

約数ペア:

[(1, 64388428), (2, 32194214), (4, 16097107), (13, 4952956), (26, 2476478), (52, 1238239), (53, 1214876), (61, 1055548), (106, 607438), (122, 527774), (212, 303719), (244, 263887), (383, 168116), (689, 93452), (766, 84058), (793, 81196), (1378, 46726), (1532, 42029), (1586, 40598), (2756, 23363), (3172, 20299), (3233, 19916), (4979, 12932), (6466, 9958)]