81589618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 136950912

約数和(自身を除く): 55361294

約数列:

[1, 2, 11, 22, 73, 101, 146, 202, 503, 803, 1006, 1111, 1606, 2222, 5533, 7373, 11066, 14746, 36719, 50803, 73438, 81103, 101606, 162206, 403909, 558833, 807818, 1117666, 3708619, 7417238, 40794809, 81589618]

約数ペア:

[(1, 81589618), (2, 40794809), (11, 7417238), (22, 3708619), (73, 1117666), (101, 807818), (146, 558833), (202, 403909), (503, 162206), (803, 101606), (1006, 81103), (1111, 73438), (1606, 50803), (2222, 36719), (5533, 14746), (7373, 11066)]