25121192

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 52920000

約数和(自身を除く): 27798808

約数列:

[1, 2, 4, 8, 19, 29, 38, 41, 58, 76, 82, 116, 139, 152, 164, 232, 278, 328, 551, 556, 779, 1102, 1112, 1189, 1558, 2204, 2378, 2641, 3116, 4031, 4408, 4756, 5282, 5699, 6232, 8062, 9512, 10564, 11398, 16124, 21128, 22591, 22796, 32248, 45182, 45592, 76589, 90364, 108281, 153178, 165271, 180728, 216562, 306356, 330542, 433124, 612712, 661084, 866248, 1322168, 3140149, 6280298, 12560596, 25121192]

約数ペア:

[(1, 25121192), (2, 12560596), (4, 6280298), (8, 3140149), (19, 1322168), (29, 866248), (38, 661084), (41, 612712), (58, 433124), (76, 330542), (82, 306356), (116, 216562), (139, 180728), (152, 165271), (164, 153178), (232, 108281), (278, 90364), (328, 76589), (551, 45592), (556, 45182), (779, 32248), (1102, 22796), (1112, 22591), (1189, 21128), (1558, 16124), (2204, 11398), (2378, 10564), (2641, 9512), (3116, 8062), (4031, 6232), (4408, 5699), (4756, 5282)]