31457456

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:429

約数の個数: 40

約数和(自身を含む): 62641824

約数和(自身を除く): 31184368

約数列:

[1, 2, 4, 8, 16, 61, 122, 167, 193, 244, 334, 386, 488, 668, 772, 976, 1336, 1544, 2672, 3088, 10187, 11773, 20374, 23546, 32231, 40748, 47092, 64462, 81496, 94184, 128924, 162992, 188368, 257848, 515696, 1966091, 3932182, 7864364, 15728728, 31457456]

約数ペア:

[(1, 31457456), (2, 15728728), (4, 7864364), (8, 3932182), (16, 1966091), (61, 515696), (122, 257848), (167, 188368), (193, 162992), (244, 128924), (334, 94184), (386, 81496), (488, 64462), (668, 47092), (772, 40748), (976, 32231), (1336, 23546), (1544, 20374), (2672, 11773), (3088, 10187)]