81436408

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 166212000

約数和(自身を除く): 84775592

約数列:

[1, 2, 4, 8, 29, 37, 53, 58, 74, 106, 116, 148, 179, 212, 232, 296, 358, 424, 716, 1073, 1432, 1537, 1961, 2146, 3074, 3922, 4292, 5191, 6148, 6623, 7844, 8584, 9487, 10382, 12296, 13246, 15688, 18974, 20764, 26492, 37948, 41528, 52984, 56869, 75896, 113738, 192067, 227476, 275123, 351019, 384134, 454952, 550246, 702038, 768268, 1100492, 1404076, 1536536, 2200984, 2808152, 10179551, 20359102, 40718204, 81436408]

約数ペア:

[(1, 81436408), (2, 40718204), (4, 20359102), (8, 10179551), (29, 2808152), (37, 2200984), (53, 1536536), (58, 1404076), (74, 1100492), (106, 768268), (116, 702038), (148, 550246), (179, 454952), (212, 384134), (232, 351019), (296, 275123), (358, 227476), (424, 192067), (716, 113738), (1073, 75896), (1432, 56869), (1537, 52984), (1961, 41528), (2146, 37948), (3074, 26492), (3922, 20764), (4292, 18974), (5191, 15688), (6148, 13246), (6623, 12296), (7844, 10382), (8584, 9487)]