1996956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:291

約数の個数: 72

約数和(自身を含む): 5778864

約数和(自身を除く): 3781908

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 251, 306, 442, 468, 502, 612, 663, 753, 884, 1004, 1326, 1506, 1989, 2259, 2652, 3012, 3263, 3978, 4267, 4518, 6526, 7956, 8534, 9036, 9789, 12801, 13052, 17068, 19578, 25602, 29367, 38403, 39156, 51204, 55471, 58734, 76806, 110942, 117468, 153612, 166413, 221884, 332826, 499239, 665652, 998478, 1996956]

約数ペア:

[(1, 1996956), (2, 998478), (3, 665652), (4, 499239), (6, 332826), (9, 221884), (12, 166413), (13, 153612), (17, 117468), (18, 110942), (26, 76806), (34, 58734), (36, 55471), (39, 51204), (51, 39156), (52, 38403), (68, 29367), (78, 25602), (102, 19578), (117, 17068), (153, 13052), (156, 12801), (204, 9789), (221, 9036), (234, 8534), (251, 7956), (306, 6526), (442, 4518), (468, 4267), (502, 3978), (612, 3263), (663, 3012), (753, 2652), (884, 2259), (1004, 1989), (1326, 1506)]