128439654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{82651}}^1$

素因数の和:82700

約数の個数: 32

約数和(自身を含む): 301514496

約数和(自身を除く): 173074842

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 82651, 165302, 247953, 495906, 578557, 1157114, 1735671, 3058087, 3471342, 6116174, 9174261, 18348522, 21406609, 42813218, 64219827, 128439654]

約数ペア:

[(1, 128439654), (2, 64219827), (3, 42813218), (6, 21406609), (7, 18348522), (14, 9174261), (21, 6116174), (37, 3471342), (42, 3058087), (74, 1735671), (111, 1157114), (222, 578557), (259, 495906), (518, 247953), (777, 165302), (1554, 82651)]