71816724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{521}}^1\times {\mathrm{547}}^1$

素因数の和:1085

約数の個数: 72

約数和(自身を含む): 208248768

約数和(自身を除く): 136432044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 521, 547, 1042, 1094, 1563, 1641, 2084, 2188, 3126, 3282, 3647, 3829, 4689, 4923, 6252, 6564, 7294, 7658, 9378, 9846, 10941, 11487, 14588, 15316, 18756, 19692, 21882, 22974, 32823, 34461, 43764, 45948, 65646, 68922, 131292, 137844, 284987, 569974, 854961, 1139948, 1709922, 1994909, 2564883, 3419844, 3989818, 5129766, 5984727, 7979636, 10259532, 11969454, 17954181, 23938908, 35908362, 71816724]

約数ペア:

[(1, 71816724), (2, 35908362), (3, 23938908), (4, 17954181), (6, 11969454), (7, 10259532), (9, 7979636), (12, 5984727), (14, 5129766), (18, 3989818), (21, 3419844), (28, 2564883), (36, 1994909), (42, 1709922), (63, 1139948), (84, 854961), (126, 569974), (252, 284987), (521, 137844), (547, 131292), (1042, 68922), (1094, 65646), (1563, 45948), (1641, 43764), (2084, 34461), (2188, 32823), (3126, 22974), (3282, 21882), (3647, 19692), (3829, 18756), (4689, 15316), (4923, 14588), (6252, 11487), (6564, 10941), (7294, 9846), (7658, 9378)]