31506876

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 83472480

約数和(自身を除く): 51965604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 103, 116, 174, 206, 261, 293, 309, 348, 412, 522, 586, 618, 879, 927, 1044, 1172, 1236, 1758, 1854, 2637, 2987, 3516, 3708, 5274, 5974, 8497, 8961, 10548, 11948, 16994, 17922, 25491, 26883, 30179, 33988, 35844, 50982, 53766, 60358, 76473, 90537, 101964, 107532, 120716, 152946, 181074, 271611, 305892, 362148, 543222, 875191, 1086444, 1750382, 2625573, 3500764, 5251146, 7876719, 10502292, 15753438, 31506876]

約数ペア:

[(1, 31506876), (2, 15753438), (3, 10502292), (4, 7876719), (6, 5251146), (9, 3500764), (12, 2625573), (18, 1750382), (29, 1086444), (36, 875191), (58, 543222), (87, 362148), (103, 305892), (116, 271611), (174, 181074), (206, 152946), (261, 120716), (293, 107532), (309, 101964), (348, 90537), (412, 76473), (522, 60358), (586, 53766), (618, 50982), (879, 35844), (927, 33988), (1044, 30179), (1172, 26883), (1236, 25491), (1758, 17922), (1854, 16994), (2637, 11948), (2987, 10548), (3516, 8961), (3708, 8497), (5274, 5974)]