181569388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 431036928

約数和(自身を除く): 249467540

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 137, 143, 154, 182, 274, 286, 308, 331, 364, 548, 572, 662, 959, 1001, 1324, 1507, 1781, 1918, 2002, 2317, 3014, 3562, 3641, 3836, 4004, 4303, 4634, 6028, 7124, 7282, 8606, 9268, 10549, 12467, 14564, 17212, 19591, 21098, 24934, 25487, 30121, 39182, 42196, 45347, 47333, 49868, 50974, 60242, 78364, 90694, 94666, 101948, 120484, 137137, 181388, 189332, 274274, 317429, 331331, 498817, 548548, 589511, 634858, 662662, 997634, 1179022, 1269716, 1325324, 1995268, 2358044, 3491719, 4126577, 6484621, 6983438, 8253154, 12969242, 13966876, 16506308, 25938484, 45392347, 90784694, 181569388]

約数ペア:

[(1, 181569388), (2, 90784694), (4, 45392347), (7, 25938484), (11, 16506308), (13, 13966876), (14, 12969242), (22, 8253154), (26, 6983438), (28, 6484621), (44, 4126577), (52, 3491719), (77, 2358044), (91, 1995268), (137, 1325324), (143, 1269716), (154, 1179022), (182, 997634), (274, 662662), (286, 634858), (308, 589511), (331, 548548), (364, 498817), (548, 331331), (572, 317429), (662, 274274), (959, 189332), (1001, 181388), (1324, 137137), (1507, 120484), (1781, 101948), (1918, 94666), (2002, 90694), (2317, 78364), (3014, 60242), (3562, 50974), (3641, 49868), (3836, 47333), (4004, 45347), (4303, 42196), (4634, 39182), (6028, 30121), (7124, 25487), (7282, 24934), (8606, 21098), (9268, 19591), (10549, 17212), (12467, 14564)]