151215988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4861}}^1$

素因数の和:4984

約数の個数: 48

約数和(自身を含む): 333260928

約数和(自身を除く): 182044940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 154, 202, 308, 404, 707, 1111, 1414, 2222, 2828, 4444, 4861, 7777, 9722, 15554, 19444, 31108, 34027, 53471, 68054, 106942, 136108, 213884, 374297, 490961, 748594, 981922, 1497188, 1963844, 3436727, 5400571, 6873454, 10801142, 13746908, 21602284, 37803997, 75607994, 151215988]

約数ペア:

[(1, 151215988), (2, 75607994), (4, 37803997), (7, 21602284), (11, 13746908), (14, 10801142), (22, 6873454), (28, 5400571), (44, 3436727), (77, 1963844), (101, 1497188), (154, 981922), (202, 748594), (308, 490961), (404, 374297), (707, 213884), (1111, 136108), (1414, 106942), (2222, 68054), (2828, 53471), (4444, 34027), (4861, 31108), (7777, 19444), (9722, 15554)]