215237988

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{17431}}^1$

素因数の和:17462

約数の個数: 72

約数和(自身を含む): 634524800

約数和(自身を除く): 419286812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1764, 2058, 3087, 4116, 6174, 12348, 17431, 34862, 52293, 69724, 104586, 122017, 156879, 209172, 244034, 313758, 366051, 488068, 627516, 732102, 854119, 1098153, 1464204, 1708238, 2196306, 2562357, 3416476, 4392612, 5124714, 5978833, 7687071, 10249428, 11957666, 15374142, 17936499, 23915332, 30748284, 35872998, 53809497, 71745996, 107618994, 215237988]

約数ペア:

[(1, 215237988), (2, 107618994), (3, 71745996), (4, 53809497), (6, 35872998), (7, 30748284), (9, 23915332), (12, 17936499), (14, 15374142), (18, 11957666), (21, 10249428), (28, 7687071), (36, 5978833), (42, 5124714), (49, 4392612), (63, 3416476), (84, 2562357), (98, 2196306), (126, 1708238), (147, 1464204), (196, 1098153), (252, 854119), (294, 732102), (343, 627516), (441, 488068), (588, 366051), (686, 313758), (882, 244034), (1029, 209172), (1372, 156879), (1764, 122017), (2058, 104586), (3087, 69724), (4116, 52293), (6174, 34862), (12348, 17431)]