221878384

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{152389}}^1$

素因数の和:152417

約数の個数: 40

約数和(自身を含む): 529098080

約数和(自身を除く): 307219696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 152389, 304778, 609556, 1066723, 1219112, 1981057, 2133446, 2438224, 3962114, 4266892, 7924228, 8533784, 13867399, 15848456, 17067568, 27734798, 31696912, 55469596, 110939192, 221878384]

約数ペア:

[(1, 221878384), (2, 110939192), (4, 55469596), (7, 31696912), (8, 27734798), (13, 17067568), (14, 15848456), (16, 13867399), (26, 8533784), (28, 7924228), (52, 4266892), (56, 3962114), (91, 2438224), (104, 2133446), (112, 1981057), (182, 1219112), (208, 1066723), (364, 609556), (728, 304778), (1456, 152389)]