81802924

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1406

約数の個数: 48

約数和(自身を含む): 171329536

約数和(自身を除く): 89526612

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 73, 124, 146, 217, 292, 434, 511, 868, 1022, 1291, 2044, 2263, 2582, 4526, 5164, 9037, 9052, 15841, 18074, 31682, 36148, 40021, 63364, 80042, 94243, 160084, 188486, 280147, 376972, 560294, 659701, 1120588, 1319402, 2638804, 2921533, 5843066, 11686132, 20450731, 40901462, 81802924]

約数ペア:

[(1, 81802924), (2, 40901462), (4, 20450731), (7, 11686132), (14, 5843066), (28, 2921533), (31, 2638804), (62, 1319402), (73, 1120588), (124, 659701), (146, 560294), (217, 376972), (292, 280147), (434, 188486), (511, 160084), (868, 94243), (1022, 80042), (1291, 63364), (2044, 40021), (2263, 36148), (2582, 31682), (4526, 18074), (5164, 15841), (9037, 9052)]