1388391108

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{18503}}^1$

素因数の和:18573

約数の個数: 72

約数和(自身を含む): 3602950848

約数和(自身を除く): 2214559740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 169, 222, 338, 444, 481, 507, 676, 962, 1014, 1443, 1924, 2028, 2886, 5772, 6253, 12506, 18503, 18759, 25012, 37006, 37518, 55509, 74012, 75036, 111018, 222036, 240539, 481078, 684611, 721617, 962156, 1369222, 1443234, 2053833, 2738444, 2886468, 3127007, 4107666, 6254014, 8215332, 8899943, 9381021, 12508028, 17799886, 18762042, 26699829, 35599772, 37524084, 53399658, 106799316, 115699259, 231398518, 347097777, 462797036, 694195554, 1388391108]

約数ペア:

[(1, 1388391108), (2, 694195554), (3, 462797036), (4, 347097777), (6, 231398518), (12, 115699259), (13, 106799316), (26, 53399658), (37, 37524084), (39, 35599772), (52, 26699829), (74, 18762042), (78, 17799886), (111, 12508028), (148, 9381021), (156, 8899943), (169, 8215332), (222, 6254014), (338, 4107666), (444, 3127007), (481, 2886468), (507, 2738444), (676, 2053833), (962, 1443234), (1014, 1369222), (1443, 962156), (1924, 721617), (2028, 684611), (2886, 481078), (5772, 240539), (6253, 222036), (12506, 111018), (18503, 75036), (18759, 74012), (25012, 55509), (37006, 37518)]