251180908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 490533120

約数和(自身を除く): 239352212

約数列:

[1, 2, 4, 11, 22, 44, 83, 109, 166, 218, 332, 436, 631, 913, 1199, 1262, 1826, 2398, 2524, 3652, 4796, 6941, 9047, 13882, 18094, 27764, 36188, 52373, 68779, 99517, 104746, 137558, 199034, 209492, 275116, 398068, 576103, 756569, 1152206, 1513138, 2304412, 3026276, 5708657, 11417314, 22834628, 62795227, 125590454, 251180908]

約数ペア:

[(1, 251180908), (2, 125590454), (4, 62795227), (11, 22834628), (22, 11417314), (44, 5708657), (83, 3026276), (109, 2304412), (166, 1513138), (218, 1152206), (332, 756569), (436, 576103), (631, 398068), (913, 275116), (1199, 209492), (1262, 199034), (1826, 137558), (2398, 104746), (2524, 99517), (3652, 68779), (4796, 52373), (6941, 36188), (9047, 27764), (13882, 18094)]