919731536

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{2677}}^1$

素因数の和:2991

約数の個数: 40

約数和(自身を含む): 1808132040

約数和(自身を除く): 888400504

約数列:

[1, 2, 4, 8, 16, 109, 197, 218, 394, 436, 788, 872, 1576, 1744, 2677, 3152, 5354, 10708, 21416, 21473, 42832, 42946, 85892, 171784, 291793, 343568, 527369, 583586, 1054738, 1167172, 2109476, 2334344, 4218952, 4668688, 8437904, 57483221, 114966442, 229932884, 459865768, 919731536]

約数ペア:

[(1, 919731536), (2, 459865768), (4, 229932884), (8, 114966442), (16, 57483221), (109, 8437904), (197, 4668688), (218, 4218952), (394, 2334344), (436, 2109476), (788, 1167172), (872, 1054738), (1576, 583586), (1744, 527369), (2677, 343568), (3152, 291793), (5354, 171784), (10708, 85892), (21416, 42946), (21473, 42832)]