31091872

素因数分解:

$2^5\times 7^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:354

約数の個数: 72

約数和(自身を含む): 72394560

約数和(自身を除く): 41302688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 79, 98, 112, 158, 196, 224, 251, 316, 392, 502, 553, 632, 784, 1004, 1106, 1264, 1568, 1757, 2008, 2212, 2528, 3514, 3871, 4016, 4424, 7028, 7742, 8032, 8848, 12299, 14056, 15484, 17696, 19829, 24598, 28112, 30968, 39658, 49196, 56224, 61936, 79316, 98392, 123872, 138803, 158632, 196784, 277606, 317264, 393568, 555212, 634528, 971621, 1110424, 1943242, 2220848, 3886484, 4441696, 7772968, 15545936, 31091872]

約数ペア:

[(1, 31091872), (2, 15545936), (4, 7772968), (7, 4441696), (8, 3886484), (14, 2220848), (16, 1943242), (28, 1110424), (32, 971621), (49, 634528), (56, 555212), (79, 393568), (98, 317264), (112, 277606), (158, 196784), (196, 158632), (224, 138803), (251, 123872), (316, 98392), (392, 79316), (502, 61936), (553, 56224), (632, 49196), (784, 39658), (1004, 30968), (1106, 28112), (1264, 24598), (1568, 19829), (1757, 17696), (2008, 15484), (2212, 14056), (2528, 12299), (3514, 8848), (3871, 8032), (4016, 7742), (4424, 7028)]