81759964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7523}}^1$

素因数の和:7570

約数の個数: 48

約数和(自身を含む): 176964480

約数和(自身を除く): 95204516

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 2717, 5434, 7523, 10868, 15046, 30092, 82753, 97799, 142937, 165506, 195598, 285874, 331012, 391196, 571748, 1075789, 1572307, 1858181, 2151578, 3144614, 3716362, 4303156, 6289228, 7432724, 20439991, 40879982, 81759964]

約数ペア:

[(1, 81759964), (2, 40879982), (4, 20439991), (11, 7432724), (13, 6289228), (19, 4303156), (22, 3716362), (26, 3144614), (38, 2151578), (44, 1858181), (52, 1572307), (76, 1075789), (143, 571748), (209, 391196), (247, 331012), (286, 285874), (418, 195598), (494, 165506), (572, 142937), (836, 97799), (988, 82753), (2717, 30092), (5434, 15046), (7523, 10868)]