145715444

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 299376000

約数和(自身を除く): 153660556

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 149, 212, 298, 371, 596, 659, 742, 1043, 1318, 1484, 2086, 2636, 4172, 4613, 7897, 9226, 15794, 18452, 31588, 34927, 55279, 69854, 98191, 110558, 139708, 196382, 221116, 244489, 392764, 488978, 687337, 977956, 1374674, 2749348, 5204123, 10408246, 20816492, 36428861, 72857722, 145715444]

約数ペア:

[(1, 145715444), (2, 72857722), (4, 36428861), (7, 20816492), (14, 10408246), (28, 5204123), (53, 2749348), (106, 1374674), (149, 977956), (212, 687337), (298, 488978), (371, 392764), (596, 244489), (659, 221116), (742, 196382), (1043, 139708), (1318, 110558), (1484, 98191), (2086, 69854), (2636, 55279), (4172, 34927), (4613, 31588), (7897, 18452), (9226, 15794)]