77893816

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 200309760

約数和(自身を除く): 122415944

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 71, 77, 88, 91, 104, 137, 142, 143, 154, 182, 274, 284, 286, 308, 364, 497, 548, 568, 572, 616, 728, 781, 923, 959, 994, 1001, 1096, 1144, 1507, 1562, 1781, 1846, 1918, 1988, 2002, 3014, 3124, 3562, 3692, 3836, 3976, 4004, 5467, 6028, 6248, 6461, 7124, 7384, 7672, 8008, 9727, 10153, 10549, 10934, 12056, 12467, 12922, 14248, 19454, 19591, 20306, 21098, 21868, 24934, 25844, 38908, 39182, 40612, 42196, 43736, 49868, 51688, 68089, 71071, 77816, 78364, 81224, 84392, 99736, 106997, 126451, 136178, 137137, 142142, 156728, 213994, 252902, 272356, 274274, 284284, 427988, 505804, 544712, 548548, 568568, 748979, 855976, 885157, 1011608, 1097096, 1390961, 1497958, 1770314, 2781922, 2995916, 3540628, 5563844, 5991832, 7081256, 9736727, 11127688, 19473454, 38946908, 77893816]

約数ペア:

[(1, 77893816), (2, 38946908), (4, 19473454), (7, 11127688), (8, 9736727), (11, 7081256), (13, 5991832), (14, 5563844), (22, 3540628), (26, 2995916), (28, 2781922), (44, 1770314), (52, 1497958), (56, 1390961), (71, 1097096), (77, 1011608), (88, 885157), (91, 855976), (104, 748979), (137, 568568), (142, 548548), (143, 544712), (154, 505804), (182, 427988), (274, 284284), (284, 274274), (286, 272356), (308, 252902), (364, 213994), (497, 156728), (548, 142142), (568, 137137), (572, 136178), (616, 126451), (728, 106997), (781, 99736), (923, 84392), (959, 81224), (994, 78364), (1001, 77816), (1096, 71071), (1144, 68089), (1507, 51688), (1562, 49868), (1781, 43736), (1846, 42196), (1918, 40612), (1988, 39182), (2002, 38908), (3014, 25844), (3124, 24934), (3562, 21868), (3692, 21098), (3836, 20306), (3976, 19591), (4004, 19454), (5467, 14248), (6028, 12922), (6248, 12467), (6461, 12056), (7124, 10934), (7384, 10549), (7672, 10153), (8008, 9727)]