643883932

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{151}}^1\times {\mathrm{2953}}^1$

素因数の和:3146

約数の個数: 36

約数和(自身を含む): 1197504336

約数和(自身を除く): 553620404

約数列:

[1, 2, 4, 19, 38, 76, 151, 302, 361, 604, 722, 1444, 2869, 2953, 5738, 5906, 11476, 11812, 54511, 56107, 109022, 112214, 218044, 224428, 445903, 891806, 1066033, 1783612, 2132066, 4264132, 8472157, 16944314, 33888628, 160970983, 321941966, 643883932]

約数ペア:

[(1, 643883932), (2, 321941966), (4, 160970983), (19, 33888628), (38, 16944314), (76, 8472157), (151, 4264132), (302, 2132066), (361, 1783612), (604, 1066033), (722, 891806), (1444, 445903), (2869, 224428), (2953, 218044), (5738, 112214), (5906, 109022), (11476, 56107), (11812, 54511)]