689191314

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{38977}}^1$

素因数の和:39410

約数の個数: 32

約数和(自身を含む): 1579076736

約数和(自身を除く): 889885422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 421, 842, 1263, 2526, 2947, 5894, 8841, 17682, 38977, 77954, 116931, 233862, 272839, 545678, 818517, 1637034, 16409317, 32818634, 49227951, 98455902, 114865219, 229730438, 344595657, 689191314]

約数ペア:

[(1, 689191314), (2, 344595657), (3, 229730438), (6, 114865219), (7, 98455902), (14, 49227951), (21, 32818634), (42, 16409317), (421, 1637034), (842, 818517), (1263, 545678), (2526, 272839), (2947, 233862), (5894, 116931), (8841, 77954), (17682, 38977)]