28440496

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1289}}^1$

素因数の和:1501

約数の個数: 40

約数和(自身を含む): 63344160

約数和(自身を除く): 34903664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1289, 1379, 1576, 2578, 2758, 3152, 5156, 5516, 9023, 10312, 11032, 18046, 20624, 22064, 36092, 72184, 144368, 253933, 507866, 1015732, 1777531, 2031464, 3555062, 4062928, 7110124, 14220248, 28440496]

約数ペア:

[(1, 28440496), (2, 14220248), (4, 7110124), (7, 4062928), (8, 3555062), (14, 2031464), (16, 1777531), (28, 1015732), (56, 507866), (112, 253933), (197, 144368), (394, 72184), (788, 36092), (1289, 22064), (1379, 20624), (1576, 18046), (2578, 11032), (2758, 10312), (3152, 9023), (5156, 5516)]