13851940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 31135104

約数和(自身を除く): 17283164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 262, 311, 340, 524, 622, 655, 1244, 1310, 1555, 2227, 2620, 3110, 4454, 5287, 6220, 8908, 10574, 11135, 21148, 22270, 26435, 40741, 44540, 52870, 81482, 105740, 162964, 203705, 407410, 692597, 814820, 1385194, 2770388, 3462985, 6925970, 13851940]

約数ペア:

[(1, 13851940), (2, 6925970), (4, 3462985), (5, 2770388), (10, 1385194), (17, 814820), (20, 692597), (34, 407410), (68, 203705), (85, 162964), (131, 105740), (170, 81482), (262, 52870), (311, 44540), (340, 40741), (524, 26435), (622, 22270), (655, 21148), (1244, 11135), (1310, 10574), (1555, 8908), (2227, 6220), (2620, 5287), (3110, 4454)]