28388668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1511}}^1$

素因数の和:1594

約数の個数: 48

約数和(自身を含む): 62995968

約数和(自身を除く): 34607300

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1342, 1511, 1708, 2684, 3022, 4697, 6044, 9394, 10577, 16621, 18788, 21154, 33242, 42308, 66484, 92171, 116347, 184342, 232694, 368684, 465388, 645197, 1013881, 1290394, 2027762, 2580788, 4055524, 7097167, 14194334, 28388668]

約数ペア:

[(1, 28388668), (2, 14194334), (4, 7097167), (7, 4055524), (11, 2580788), (14, 2027762), (22, 1290394), (28, 1013881), (44, 645197), (61, 465388), (77, 368684), (122, 232694), (154, 184342), (244, 116347), (308, 92171), (427, 66484), (671, 42308), (854, 33242), (1342, 21154), (1511, 18788), (1708, 16621), (2684, 10577), (3022, 9394), (4697, 6044)]