28407286644

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{219823}}^1$

素因数の和:219941

約数の個数: 72

約数和(自身を含む): 73676211840

約数和(自身を除く): 45268925196

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 121, 132, 178, 242, 267, 356, 363, 484, 534, 726, 979, 1068, 1452, 1958, 2937, 3916, 5874, 10769, 11748, 21538, 32307, 43076, 64614, 129228, 219823, 439646, 659469, 879292, 1318938, 2418053, 2637876, 4836106, 7254159, 9672212, 14508318, 19564247, 26598583, 29016636, 39128494, 53197166, 58692741, 78256988, 79795749, 106394332, 117385482, 159591498, 215206717, 234770964, 319182996, 430413434, 645620151, 860826868, 1291240302, 2367273887, 2582480604, 4734547774, 7101821661, 9469095548, 14203643322, 28407286644]

約数ペア:

[(1, 28407286644), (2, 14203643322), (3, 9469095548), (4, 7101821661), (6, 4734547774), (11, 2582480604), (12, 2367273887), (22, 1291240302), (33, 860826868), (44, 645620151), (66, 430413434), (89, 319182996), (121, 234770964), (132, 215206717), (178, 159591498), (242, 117385482), (267, 106394332), (356, 79795749), (363, 78256988), (484, 58692741), (534, 53197166), (726, 39128494), (979, 29016636), (1068, 26598583), (1452, 19564247), (1958, 14508318), (2937, 9672212), (3916, 7254159), (5874, 4836106), (10769, 2637876), (11748, 2418053), (21538, 1318938), (32307, 879292), (43076, 659469), (64614, 439646), (129228, 219823)]