889780165

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 1173211776

約数和(自身を除く): 283431611

約数列:

[1, 5, 19, 53, 71, 95, 131, 265, 355, 361, 655, 1007, 1349, 1805, 2489, 3763, 5035, 6745, 6943, 9301, 12445, 18815, 19133, 25631, 34715, 46505, 47291, 71497, 95665, 128155, 131917, 176719, 236455, 357485, 492953, 659585, 883595, 1358443, 2464765, 2506423, 3357661, 6792215, 9366107, 12532115, 16788305, 46830535, 177956033, 889780165]

約数ペア:

[(1, 889780165), (5, 177956033), (19, 46830535), (53, 16788305), (71, 12532115), (95, 9366107), (131, 6792215), (265, 3357661), (355, 2506423), (361, 2464765), (655, 1358443), (1007, 883595), (1349, 659585), (1805, 492953), (2489, 357485), (3763, 236455), (5035, 176719), (6745, 131917), (6943, 128155), (9301, 95665), (12445, 71497), (18815, 47291), (19133, 46505), (25631, 34715)]