1821197768

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{69767}}^1$

素因数の和:70037

約数の個数: 32

約数和(自身を含む): 3692122560

約数和(自身を除く): 1870924792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 1004, 2008, 3263, 6526, 13052, 26104, 69767, 139534, 279068, 558136, 906971, 1813942, 3627884, 7255768, 17511517, 35023034, 70046068, 140092136, 227649721, 455299442, 910598884, 1821197768]

約数ペア:

[(1, 1821197768), (2, 910598884), (4, 455299442), (8, 227649721), (13, 140092136), (26, 70046068), (52, 35023034), (104, 17511517), (251, 7255768), (502, 3627884), (1004, 1813942), (2008, 906971), (3263, 558136), (6526, 279068), (13052, 139534), (26104, 69767)]