71291116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1223}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 143942400

約数和(自身を除く): 72651284

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 59, 76, 118, 236, 247, 494, 767, 988, 1121, 1223, 1534, 2242, 2446, 3068, 4484, 4892, 14573, 15899, 23237, 29146, 31798, 46474, 58292, 63596, 72157, 92948, 144314, 288628, 302081, 604162, 938041, 1208324, 1370983, 1876082, 2741966, 3752164, 5483932, 17822779, 35645558, 71291116]

約数ペア:

[(1, 71291116), (2, 35645558), (4, 17822779), (13, 5483932), (19, 3752164), (26, 2741966), (38, 1876082), (52, 1370983), (59, 1208324), (76, 938041), (118, 604162), (236, 302081), (247, 288628), (494, 144314), (767, 92948), (988, 72157), (1121, 63596), (1223, 58292), (1534, 46474), (2242, 31798), (2446, 29146), (3068, 23237), (4484, 15899), (4892, 14573)]