28374904

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 60480000

約数和(自身を除く): 32105096

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 79, 136, 139, 152, 158, 278, 316, 323, 556, 632, 646, 1112, 1292, 1343, 1501, 2363, 2584, 2641, 2686, 3002, 4726, 5282, 5372, 6004, 9452, 10564, 10744, 10981, 12008, 18904, 21128, 21962, 25517, 43924, 44897, 51034, 87848, 89794, 102068, 179588, 186677, 204136, 208639, 359176, 373354, 417278, 746708, 834556, 1493416, 1669112, 3546863, 7093726, 14187452, 28374904]

約数ペア:

[(1, 28374904), (2, 14187452), (4, 7093726), (8, 3546863), (17, 1669112), (19, 1493416), (34, 834556), (38, 746708), (68, 417278), (76, 373354), (79, 359176), (136, 208639), (139, 204136), (152, 186677), (158, 179588), (278, 102068), (316, 89794), (323, 87848), (556, 51034), (632, 44897), (646, 43924), (1112, 25517), (1292, 21962), (1343, 21128), (1501, 18904), (2363, 12008), (2584, 10981), (2641, 10744), (2686, 10564), (3002, 9452), (4726, 6004), (5282, 5372)]