221256216

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1049

約数の個数: 96

約数和(自身を含む): 634748400

約数和(自身を除く): 413492184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 197, 228, 342, 394, 456, 591, 684, 788, 821, 1182, 1368, 1576, 1642, 1773, 2364, 2463, 3284, 3546, 3743, 4728, 4926, 6568, 7092, 7389, 7486, 9852, 11229, 14184, 14778, 14972, 15599, 19704, 22458, 29556, 29944, 31198, 33687, 44916, 46797, 59112, 62396, 67374, 89832, 93594, 124792, 134748, 140391, 161737, 187188, 269496, 280782, 323474, 374376, 485211, 561564, 646948, 970422, 1123128, 1293896, 1455633, 1940844, 2911266, 3073003, 3881688, 5822532, 6146006, 9219009, 11645064, 12292012, 18438018, 24584024, 27657027, 36876036, 55314054, 73752072, 110628108, 221256216]

約数ペア:

[(1, 221256216), (2, 110628108), (3, 73752072), (4, 55314054), (6, 36876036), (8, 27657027), (9, 24584024), (12, 18438018), (18, 12292012), (19, 11645064), (24, 9219009), (36, 6146006), (38, 5822532), (57, 3881688), (72, 3073003), (76, 2911266), (114, 1940844), (152, 1455633), (171, 1293896), (197, 1123128), (228, 970422), (342, 646948), (394, 561564), (456, 485211), (591, 374376), (684, 323474), (788, 280782), (821, 269496), (1182, 187188), (1368, 161737), (1576, 140391), (1642, 134748), (1773, 124792), (2364, 93594), (2463, 89832), (3284, 67374), (3546, 62396), (3743, 59112), (4728, 46797), (4926, 44916), (6568, 33687), (7092, 31198), (7389, 29944), (7486, 29556), (9852, 22458), (11229, 19704), (14184, 15599), (14778, 14972)]