31786345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 11137175

約数列:

[1, 5, 17, 23, 71, 85, 115, 229, 355, 391, 1145, 1207, 1633, 1955, 3893, 5267, 6035, 8165, 16259, 19465, 26335, 27761, 81295, 89539, 138805, 276403, 373957, 447695, 1382015, 1869785, 6357269, 31786345]

約数ペア:

[(1, 31786345), (5, 6357269), (17, 1869785), (23, 1382015), (71, 447695), (85, 373957), (115, 276403), (229, 138805), (355, 89539), (391, 81295), (1145, 27761), (1207, 26335), (1633, 19465), (1955, 16259), (3893, 8165), (5267, 6035)]