78678278

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 152616960

約数和(自身を除く): 73938682

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 127, 133, 137, 238, 254, 266, 274, 323, 646, 889, 959, 1778, 1918, 2159, 2261, 2329, 2413, 2603, 4318, 4522, 4658, 4826, 5206, 15113, 16303, 16891, 17399, 18221, 30226, 32606, 33782, 34798, 36442, 41021, 44251, 82042, 88502, 121793, 243586, 287147, 295783, 309757, 330581, 574294, 591566, 619514, 661162, 2070481, 2314067, 4140962, 4628134, 5619877, 11239754, 39339139, 78678278]

約数ペア:

[(1, 78678278), (2, 39339139), (7, 11239754), (14, 5619877), (17, 4628134), (19, 4140962), (34, 2314067), (38, 2070481), (119, 661162), (127, 619514), (133, 591566), (137, 574294), (238, 330581), (254, 309757), (266, 295783), (274, 287147), (323, 243586), (646, 121793), (889, 88502), (959, 82042), (1778, 44251), (1918, 41021), (2159, 36442), (2261, 34798), (2329, 33782), (2413, 32606), (2603, 30226), (4318, 18221), (4522, 17399), (4658, 16891), (4826, 16303), (5206, 15113)]