24780728

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 31102792

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 43, 56, 82, 86, 164, 172, 251, 287, 301, 328, 344, 502, 574, 602, 1004, 1148, 1204, 1757, 1763, 2008, 2296, 2408, 3514, 3526, 7028, 7052, 10291, 10793, 12341, 14056, 14104, 20582, 21586, 24682, 41164, 43172, 49364, 72037, 75551, 82328, 86344, 98728, 144074, 151102, 288148, 302204, 442513, 576296, 604408, 885026, 1770052, 3097591, 3540104, 6195182, 12390364, 24780728]

約数ペア:

[(1, 24780728), (2, 12390364), (4, 6195182), (7, 3540104), (8, 3097591), (14, 1770052), (28, 885026), (41, 604408), (43, 576296), (56, 442513), (82, 302204), (86, 288148), (164, 151102), (172, 144074), (251, 98728), (287, 86344), (301, 82328), (328, 75551), (344, 72037), (502, 49364), (574, 43172), (602, 41164), (1004, 24682), (1148, 21586), (1204, 20582), (1757, 14104), (1763, 14056), (2008, 12341), (2296, 10793), (2408, 10291), (3514, 7052), (3526, 7028)]