168886668

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2\times {\mathrm{139}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 423595200

約数和(自身を除く): 254708532

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 139, 146, 219, 228, 278, 292, 417, 438, 556, 834, 876, 1387, 1668, 2641, 2774, 4161, 5282, 5329, 5548, 7923, 8322, 10147, 10564, 10658, 15846, 15987, 16644, 20294, 21316, 30441, 31692, 31974, 40588, 60882, 63948, 101251, 121764, 192793, 202502, 303753, 385586, 405004, 578379, 607506, 740731, 771172, 1156758, 1215012, 1481462, 2222193, 2313516, 2962924, 4444386, 8888772, 14073889, 28147778, 42221667, 56295556, 84443334, 168886668]

約数ペア:

[(1, 168886668), (2, 84443334), (3, 56295556), (4, 42221667), (6, 28147778), (12, 14073889), (19, 8888772), (38, 4444386), (57, 2962924), (73, 2313516), (76, 2222193), (114, 1481462), (139, 1215012), (146, 1156758), (219, 771172), (228, 740731), (278, 607506), (292, 578379), (417, 405004), (438, 385586), (556, 303753), (834, 202502), (876, 192793), (1387, 121764), (1668, 101251), (2641, 63948), (2774, 60882), (4161, 40588), (5282, 31974), (5329, 31692), (5548, 30441), (7923, 21316), (8322, 20294), (10147, 16644), (10564, 15987), (10658, 15846)]