31301512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 68443200

約数和(自身を除く): 37141688

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 97, 152, 193, 194, 209, 386, 388, 418, 772, 776, 836, 1067, 1544, 1672, 1843, 2123, 2134, 3667, 3686, 4246, 4268, 7334, 7372, 8492, 8536, 14668, 14744, 16984, 18721, 20273, 29336, 37442, 40337, 40546, 74884, 80674, 81092, 149768, 161348, 162184, 205931, 322696, 355699, 411862, 711398, 823724, 1422796, 1647448, 2845592, 3912689, 7825378, 15650756, 31301512]

約数ペア:

[(1, 31301512), (2, 15650756), (4, 7825378), (8, 3912689), (11, 2845592), (19, 1647448), (22, 1422796), (38, 823724), (44, 711398), (76, 411862), (88, 355699), (97, 322696), (152, 205931), (193, 162184), (194, 161348), (209, 149768), (386, 81092), (388, 80674), (418, 74884), (772, 40546), (776, 40337), (836, 37442), (1067, 29336), (1544, 20273), (1672, 18721), (1843, 16984), (2123, 14744), (2134, 14668), (3667, 8536), (3686, 8492), (4246, 7372), (4268, 7334)]