28403648

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4877}}^1$

素因数の和:4909

約数の個数: 56

約数和(自身を含む): 69384672

約数和(自身を除く): 40981024

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 4877, 5824, 9754, 19508, 34139, 39016, 63401, 68278, 78032, 126802, 136556, 156064, 253604, 273112, 312128, 443807, 507208, 546224, 887614, 1014416, 1092448, 1775228, 2028832, 2184896, 3550456, 4057664, 7100912, 14201824, 28403648]

約数ペア:

[(1, 28403648), (2, 14201824), (4, 7100912), (7, 4057664), (8, 3550456), (13, 2184896), (14, 2028832), (16, 1775228), (26, 1092448), (28, 1014416), (32, 887614), (52, 546224), (56, 507208), (64, 443807), (91, 312128), (104, 273112), (112, 253604), (182, 156064), (208, 136556), (224, 126802), (364, 78032), (416, 68278), (448, 63401), (728, 39016), (832, 34139), (1456, 19508), (2912, 9754), (4877, 5824)]