161718196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{827}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 311592960

約数和(自身を除く): 149874764

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 83, 124, 166, 332, 589, 827, 1178, 1577, 1654, 2356, 2573, 3154, 3308, 5146, 6308, 10292, 15713, 25637, 31426, 48887, 51274, 62852, 68641, 97774, 102548, 137282, 195548, 274564, 487103, 974206, 1304179, 1948412, 2127871, 2608358, 4255742, 5216716, 8511484, 40429549, 80859098, 161718196]

約数ペア:

[(1, 161718196), (2, 80859098), (4, 40429549), (19, 8511484), (31, 5216716), (38, 4255742), (62, 2608358), (76, 2127871), (83, 1948412), (124, 1304179), (166, 974206), (332, 487103), (589, 274564), (827, 195548), (1178, 137282), (1577, 102548), (1654, 97774), (2356, 68641), (2573, 62852), (3154, 51274), (3308, 48887), (5146, 31426), (6308, 25637), (10292, 15713)]