258841492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19219}}^1$

素因数の和:19280

約数の個数: 48

約数和(自身を含む): 572602240

約数和(自身を除く): 313760748

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 148, 182, 259, 364, 481, 518, 962, 1036, 1924, 3367, 6734, 13468, 19219, 38438, 76876, 134533, 249847, 269066, 499694, 538132, 711103, 999388, 1422206, 1748929, 2844412, 3497858, 4977721, 6995716, 9244339, 9955442, 18488678, 19910884, 36977356, 64710373, 129420746, 258841492]

約数ペア:

[(1, 258841492), (2, 129420746), (4, 64710373), (7, 36977356), (13, 19910884), (14, 18488678), (26, 9955442), (28, 9244339), (37, 6995716), (52, 4977721), (74, 3497858), (91, 2844412), (148, 1748929), (182, 1422206), (259, 999388), (364, 711103), (481, 538132), (518, 499694), (962, 269066), (1036, 249847), (1924, 134533), (3367, 76876), (6734, 38438), (13468, 19219)]