28706744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 64281600

約数和(自身を除く): 35574856

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 187, 248, 341, 374, 527, 619, 682, 748, 1054, 1238, 1364, 1496, 2108, 2476, 2728, 4216, 4952, 5797, 6809, 10523, 11594, 13618, 19189, 21046, 23188, 27236, 38378, 42092, 46376, 54472, 76756, 84184, 115753, 153512, 211079, 231506, 326213, 422158, 463012, 652426, 844316, 926024, 1304852, 1688632, 2609704, 3588343, 7176686, 14353372, 28706744]

約数ペア:

[(1, 28706744), (2, 14353372), (4, 7176686), (8, 3588343), (11, 2609704), (17, 1688632), (22, 1304852), (31, 926024), (34, 844316), (44, 652426), (62, 463012), (68, 422158), (88, 326213), (124, 231506), (136, 211079), (187, 153512), (248, 115753), (341, 84184), (374, 76756), (527, 54472), (619, 46376), (682, 42092), (748, 38378), (1054, 27236), (1238, 23188), (1364, 21046), (1496, 19189), (2108, 13618), (2476, 11594), (2728, 10523), (4216, 6809), (4952, 5797)]