31388812

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 70070784

約数和(自身を除く): 38681972

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 97, 98, 127, 182, 194, 196, 254, 364, 388, 508, 637, 679, 889, 1261, 1274, 1358, 1651, 1778, 2522, 2548, 2716, 3302, 3556, 4753, 5044, 6223, 6604, 8827, 9506, 11557, 12319, 12446, 17654, 19012, 23114, 24638, 24892, 35308, 46228, 49276, 61789, 80899, 86233, 123578, 160147, 161798, 172466, 247156, 320294, 323596, 344932, 603631, 640588, 1121029, 1207262, 2242058, 2414524, 4484116, 7847203, 15694406, 31388812]

約数ペア:

[(1, 31388812), (2, 15694406), (4, 7847203), (7, 4484116), (13, 2414524), (14, 2242058), (26, 1207262), (28, 1121029), (49, 640588), (52, 603631), (91, 344932), (97, 323596), (98, 320294), (127, 247156), (182, 172466), (194, 161798), (196, 160147), (254, 123578), (364, 86233), (388, 80899), (508, 61789), (637, 49276), (679, 46228), (889, 35308), (1261, 24892), (1274, 24638), (1358, 23114), (1651, 19012), (1778, 17654), (2522, 12446), (2548, 12319), (2716, 11557), (3302, 9506), (3556, 8827), (4753, 6604), (5044, 6223)]