397752444

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{199}}^2$

素因数の和:445

約数の個数: 90

約数和(自身を含む): 1078766304

約数和(自身を除く): 681013860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 199, 279, 324, 372, 398, 558, 597, 796, 837, 1116, 1194, 1674, 1791, 2388, 2511, 3348, 3582, 5022, 5373, 6169, 7164, 10044, 10746, 12338, 16119, 18507, 21492, 24676, 32238, 37014, 39601, 55521, 64476, 74028, 79202, 111042, 118803, 158404, 166563, 222084, 237606, 333126, 356409, 475212, 499689, 666252, 712818, 999378, 1069227, 1227631, 1425636, 1998756, 2138454, 2455262, 3207681, 3682893, 4276908, 4910524, 6415362, 7365786, 11048679, 12830724, 14731572, 22097358, 33146037, 44194716, 66292074, 99438111, 132584148, 198876222, 397752444]

約数ペア:

[(1, 397752444), (2, 198876222), (3, 132584148), (4, 99438111), (6, 66292074), (9, 44194716), (12, 33146037), (18, 22097358), (27, 14731572), (31, 12830724), (36, 11048679), (54, 7365786), (62, 6415362), (81, 4910524), (93, 4276908), (108, 3682893), (124, 3207681), (162, 2455262), (186, 2138454), (199, 1998756), (279, 1425636), (324, 1227631), (372, 1069227), (398, 999378), (558, 712818), (597, 666252), (796, 499689), (837, 475212), (1116, 356409), (1194, 333126), (1674, 237606), (1791, 222084), (2388, 166563), (2511, 158404), (3348, 118803), (3582, 111042), (5022, 79202), (5373, 74028), (6169, 64476), (7164, 55521), (10044, 39601), (10746, 37014), (12338, 32238), (16119, 24676), (18507, 21492)]