31394308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 68251680

約数和(自身を除く): 36857372

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 47, 68, 76, 94, 187, 188, 209, 323, 374, 418, 517, 646, 748, 799, 836, 893, 1034, 1292, 1598, 1786, 2068, 2209, 3196, 3553, 3572, 4418, 7106, 8789, 8836, 9823, 14212, 15181, 17578, 19646, 24299, 30362, 35156, 37553, 39292, 41971, 48598, 60724, 75106, 83942, 97196, 150212, 166991, 167884, 333982, 413083, 461681, 667964, 713507, 826166, 923362, 1427014, 1652332, 1846724, 2854028, 7848577, 15697154, 31394308]

約数ペア:

[(1, 31394308), (2, 15697154), (4, 7848577), (11, 2854028), (17, 1846724), (19, 1652332), (22, 1427014), (34, 923362), (38, 826166), (44, 713507), (47, 667964), (68, 461681), (76, 413083), (94, 333982), (187, 167884), (188, 166991), (209, 150212), (323, 97196), (374, 83942), (418, 75106), (517, 60724), (646, 48598), (748, 41971), (799, 39292), (836, 37553), (893, 35156), (1034, 30362), (1292, 24299), (1598, 19646), (1786, 17578), (2068, 15181), (2209, 14212), (3196, 9823), (3553, 8836), (3572, 8789), (4418, 7106)]