2006721535

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^2\times {\mathrm{257}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 2998191168

約数和(自身を除く): 991469633

約数列:

[1, 5, 7, 13, 35, 65, 91, 131, 257, 455, 655, 917, 1285, 1703, 1799, 3341, 4585, 8515, 8995, 11921, 16705, 17161, 23387, 33667, 59605, 85805, 116935, 120127, 168335, 223093, 235669, 437671, 600635, 1115465, 1178345, 1561651, 2188355, 3063697, 4410377, 7808255, 15318485, 22051885, 30872639, 57334901, 154363195, 286674505, 401344307, 2006721535]

約数ペア:

[(1, 2006721535), (5, 401344307), (7, 286674505), (13, 154363195), (35, 57334901), (65, 30872639), (91, 22051885), (131, 15318485), (257, 7808255), (455, 4410377), (655, 3063697), (917, 2188355), (1285, 1561651), (1703, 1178345), (1799, 1115465), (3341, 600635), (4585, 437671), (8515, 235669), (8995, 223093), (11921, 168335), (16705, 120127), (17161, 116935), (23387, 85805), (33667, 59605)]