197888838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 500121600

約数和(自身を除く): 302232762

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 43, 57, 73, 79, 86, 114, 129, 133, 146, 158, 219, 237, 258, 266, 301, 399, 438, 474, 511, 553, 602, 798, 817, 903, 1022, 1106, 1387, 1501, 1533, 1634, 1659, 1806, 2451, 2774, 3002, 3066, 3139, 3318, 3397, 4161, 4503, 4902, 5719, 5767, 6278, 6794, 8322, 9006, 9417, 9709, 10191, 10507, 11438, 11534, 17157, 17301, 18834, 19418, 20382, 21014, 21973, 23779, 29127, 31521, 34314, 34602, 40369, 43946, 47558, 58254, 59641, 63042, 64543, 65919, 71337, 80738, 109573, 119282, 121107, 129086, 131838, 142674, 178923, 193629, 219146, 242214, 247981, 328719, 357846, 387258, 417487, 451801, 495962, 657438, 743943, 767011, 834974, 903602, 1252461, 1355403, 1487886, 1534022, 1735867, 2301033, 2504922, 2710806, 3471734, 4602066, 4711639, 5207601, 9423278, 10415202, 14134917, 28269834, 32981473, 65962946, 98944419, 197888838]

約数ペア:

[(1, 197888838), (2, 98944419), (3, 65962946), (6, 32981473), (7, 28269834), (14, 14134917), (19, 10415202), (21, 9423278), (38, 5207601), (42, 4711639), (43, 4602066), (57, 3471734), (73, 2710806), (79, 2504922), (86, 2301033), (114, 1735867), (129, 1534022), (133, 1487886), (146, 1355403), (158, 1252461), (219, 903602), (237, 834974), (258, 767011), (266, 743943), (301, 657438), (399, 495962), (438, 451801), (474, 417487), (511, 387258), (553, 357846), (602, 328719), (798, 247981), (817, 242214), (903, 219146), (1022, 193629), (1106, 178923), (1387, 142674), (1501, 131838), (1533, 129086), (1634, 121107), (1659, 119282), (1806, 109573), (2451, 80738), (2774, 71337), (3002, 65919), (3066, 64543), (3139, 63042), (3318, 59641), (3397, 58254), (4161, 47558), (4503, 43946), (4902, 40369), (5719, 34602), (5767, 34314), (6278, 31521), (6794, 29127), (8322, 23779), (9006, 21973), (9417, 21014), (9709, 20382), (10191, 19418), (10507, 18834), (11438, 17301), (11534, 17157)]