28628906012

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{32237}}^1$

素因数の和:32475

約数の個数: 72

約数和(自身を含む): 61124795424

約数和(自身を除く): 32495889412

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 197, 322, 394, 644, 788, 1127, 1379, 2254, 2758, 4508, 4531, 5516, 9062, 9653, 18124, 19306, 31717, 32237, 38612, 63434, 64474, 126868, 128948, 222019, 225659, 444038, 451318, 741451, 888076, 902636, 1482902, 1579613, 2965804, 3159226, 5190157, 6318452, 6350689, 10380314, 12701378, 20760628, 25402756, 36331099, 44454823, 72662198, 88909646, 145324396, 146065847, 177819292, 292131694, 311183761, 584263388, 622367522, 1022460929, 1244735044, 2044921858, 4089843716, 7157226503, 14314453006, 28628906012]

約数ペア:

[(1, 28628906012), (2, 14314453006), (4, 7157226503), (7, 4089843716), (14, 2044921858), (23, 1244735044), (28, 1022460929), (46, 622367522), (49, 584263388), (92, 311183761), (98, 292131694), (161, 177819292), (196, 146065847), (197, 145324396), (322, 88909646), (394, 72662198), (644, 44454823), (788, 36331099), (1127, 25402756), (1379, 20760628), (2254, 12701378), (2758, 10380314), (4508, 6350689), (4531, 6318452), (5516, 5190157), (9062, 3159226), (9653, 2965804), (18124, 1579613), (19306, 1482902), (31717, 902636), (32237, 888076), (38612, 741451), (63434, 451318), (64474, 444038), (126868, 225659), (128948, 222019)]