397339628

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4639}}^1$

素因数の和:4699

約数の個数: 72

約数和(自身を含む): 888652800

約数和(自身を除く): 491313172

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 266, 322, 437, 532, 644, 874, 931, 1127, 1748, 1862, 2254, 3059, 3724, 4508, 4639, 6118, 9278, 12236, 18556, 21413, 32473, 42826, 64946, 85652, 88141, 106697, 129892, 176282, 213394, 227311, 352564, 426788, 454622, 616987, 746879, 909244, 1233974, 1493758, 2027243, 2467948, 2987516, 4054486, 4318909, 5228153, 8108972, 8637818, 10456306, 14190701, 17275636, 20912612, 28381402, 56762804, 99334907, 198669814, 397339628]

約数ペア:

[(1, 397339628), (2, 198669814), (4, 99334907), (7, 56762804), (14, 28381402), (19, 20912612), (23, 17275636), (28, 14190701), (38, 10456306), (46, 8637818), (49, 8108972), (76, 5228153), (92, 4318909), (98, 4054486), (133, 2987516), (161, 2467948), (196, 2027243), (266, 1493758), (322, 1233974), (437, 909244), (532, 746879), (644, 616987), (874, 454622), (931, 426788), (1127, 352564), (1748, 227311), (1862, 213394), (2254, 176282), (3059, 129892), (3724, 106697), (4508, 88141), (4639, 85652), (6118, 64946), (9278, 42826), (12236, 32473), (18556, 21413)]