259898308

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 476358400

約数和(自身を除く): 216460092

約数列:

[1, 2, 4, 61, 79, 97, 122, 139, 158, 194, 244, 278, 316, 388, 556, 4819, 5917, 7663, 8479, 9638, 10981, 11834, 13483, 15326, 16958, 19276, 21962, 23668, 26966, 30652, 33916, 43924, 53932, 467443, 669841, 822463, 934886, 1065157, 1339682, 1644926, 1869772, 2130314, 2679364, 3289852, 4260628, 64974577, 129949154, 259898308]

約数ペア:

[(1, 259898308), (2, 129949154), (4, 64974577), (61, 4260628), (79, 3289852), (97, 2679364), (122, 2130314), (139, 1869772), (158, 1644926), (194, 1339682), (244, 1065157), (278, 934886), (316, 822463), (388, 669841), (556, 467443), (4819, 53932), (5917, 43924), (7663, 33916), (8479, 30652), (9638, 26966), (10981, 23668), (11834, 21962), (13483, 19276), (15326, 16958)]