28841648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 64686336

約数和(自身を除く): 35844688

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 43, 44, 74, 86, 88, 103, 148, 172, 176, 206, 296, 344, 407, 412, 473, 592, 688, 814, 824, 946, 1133, 1591, 1628, 1648, 1892, 2266, 3182, 3256, 3784, 3811, 4429, 4532, 6364, 6512, 7568, 7622, 8858, 9064, 12728, 15244, 17501, 17716, 18128, 25456, 30488, 35002, 35432, 41921, 48719, 60976, 70004, 70864, 83842, 97438, 140008, 163873, 167684, 194876, 280016, 327746, 335368, 389752, 655492, 670736, 779504, 1310984, 1802603, 2621968, 3605206, 7210412, 14420824, 28841648]

約数ペア:

[(1, 28841648), (2, 14420824), (4, 7210412), (8, 3605206), (11, 2621968), (16, 1802603), (22, 1310984), (37, 779504), (43, 670736), (44, 655492), (74, 389752), (86, 335368), (88, 327746), (103, 280016), (148, 194876), (172, 167684), (176, 163873), (206, 140008), (296, 97438), (344, 83842), (407, 70864), (412, 70004), (473, 60976), (592, 48719), (688, 41921), (814, 35432), (824, 35002), (946, 30488), (1133, 25456), (1591, 18128), (1628, 17716), (1648, 17501), (1892, 15244), (2266, 12728), (3182, 9064), (3256, 8858), (3784, 7622), (3811, 7568), (4429, 6512), (4532, 6364)]