128156784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{381419}}^1$

素因数の和:381437

約数の個数: 40

約数和(自身を含む): 378368640

約数和(自身を除く): 250211856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 381419, 762838, 1144257, 1525676, 2288514, 2669933, 3051352, 4577028, 5339866, 6102704, 8009799, 9154056, 10679732, 16019598, 18308112, 21359464, 32039196, 42718928, 64078392, 128156784]

約数ペア:

[(1, 128156784), (2, 64078392), (3, 42718928), (4, 32039196), (6, 21359464), (7, 18308112), (8, 16019598), (12, 10679732), (14, 9154056), (16, 8009799), (21, 6102704), (24, 5339866), (28, 4577028), (42, 3051352), (48, 2669933), (56, 2288514), (84, 1525676), (112, 1144257), (168, 762838), (336, 381419)]