31113430075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{2713}}^1$

素因数の和:2885

約数の個数: 72

約数和(自身を含む): 48179839904

約数和(自身を除く): 17066409829

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 91, 175, 325, 355, 455, 497, 923, 1775, 2275, 2485, 2713, 4615, 5041, 6461, 12425, 13565, 18991, 23075, 25205, 32305, 35269, 35287, 65533, 67825, 94955, 126025, 161525, 176345, 176435, 192623, 246883, 327665, 458731, 474775, 881725, 882175, 963115, 1234415, 1348361, 1638325, 2293655, 2504099, 4815575, 6172075, 6741805, 11468275, 12520495, 13676233, 17528693, 33709025, 62602475, 68381165, 87643465, 95733631, 177791029, 341905825, 438217325, 478668155, 888955145, 1244537203, 2393340775, 4444775725, 6222686015, 31113430075]

約数ペア:

[(1, 31113430075), (5, 6222686015), (7, 4444775725), (13, 2393340775), (25, 1244537203), (35, 888955145), (65, 478668155), (71, 438217325), (91, 341905825), (175, 177791029), (325, 95733631), (355, 87643465), (455, 68381165), (497, 62602475), (923, 33709025), (1775, 17528693), (2275, 13676233), (2485, 12520495), (2713, 11468275), (4615, 6741805), (5041, 6172075), (6461, 4815575), (12425, 2504099), (13565, 2293655), (18991, 1638325), (23075, 1348361), (25205, 1234415), (32305, 963115), (35269, 882175), (35287, 881725), (65533, 474775), (67825, 458731), (94955, 327665), (126025, 246883), (161525, 192623), (176345, 176435)]