644064122

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 1088526600

約数和(自身を除く): 444462478

約数列:

[1, 2, 13, 26, 31, 62, 149, 173, 298, 346, 403, 806, 961, 1922, 1937, 2249, 3874, 4498, 4619, 5363, 9238, 10726, 12493, 24986, 25777, 51554, 60047, 69719, 120094, 139438, 143189, 166253, 286378, 332506, 335101, 670202, 799087, 1598174, 1861457, 2161289, 3722914, 4322578, 10388131, 20776262, 24771697, 49543394, 322032061, 644064122]

約数ペア:

[(1, 644064122), (2, 322032061), (13, 49543394), (26, 24771697), (31, 20776262), (62, 10388131), (149, 4322578), (173, 3722914), (298, 2161289), (346, 1861457), (403, 1598174), (806, 799087), (961, 670202), (1922, 335101), (1937, 332506), (2249, 286378), (3874, 166253), (4498, 143189), (4619, 139438), (5363, 120094), (9238, 69719), (10726, 60047), (12493, 51554), (24986, 25777)]