138871838

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 259918848

約数和(自身を除く): 121047010

約数列:

[1, 2, 7, 14, 23, 41, 46, 67, 82, 134, 157, 161, 287, 314, 322, 469, 574, 938, 943, 1099, 1541, 1886, 2198, 2747, 3082, 3611, 5494, 6437, 6601, 7222, 10519, 10787, 12874, 13202, 19229, 21038, 21574, 25277, 38458, 45059, 50554, 63181, 73633, 90118, 126362, 147266, 148051, 241937, 296102, 431279, 442267, 483874, 862558, 884534, 1036357, 1693559, 2072714, 3018953, 3387118, 6037906, 9919417, 19838834, 69435919, 138871838]

約数ペア:

[(1, 138871838), (2, 69435919), (7, 19838834), (14, 9919417), (23, 6037906), (41, 3387118), (46, 3018953), (67, 2072714), (82, 1693559), (134, 1036357), (157, 884534), (161, 862558), (287, 483874), (314, 442267), (322, 431279), (469, 296102), (574, 241937), (938, 148051), (943, 147266), (1099, 126362), (1541, 90118), (1886, 73633), (2198, 63181), (2747, 50554), (3082, 45059), (3611, 38458), (5494, 25277), (6437, 21574), (6601, 21038), (7222, 19229), (10519, 13202), (10787, 12874)]