1221621948

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1153}}^1\times {\mathrm{1549}}^1$

素因数の和:2731

約数の個数: 72

約数和(自身を含む): 3255434000

約数和(自身を除く): 2033812052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 1153, 1549, 2306, 3098, 3459, 4612, 4647, 6196, 6918, 9294, 10377, 13836, 13941, 18588, 20754, 21907, 27882, 29431, 41508, 43814, 55764, 58862, 65721, 87628, 88293, 117724, 131442, 176586, 197163, 262884, 264879, 353172, 394326, 529758, 788652, 1059516, 1785997, 3571994, 5357991, 7143988, 10715982, 16073973, 21431964, 32147946, 33933943, 64295892, 67867886, 101801829, 135735772, 203603658, 305405487, 407207316, 610810974, 1221621948]

約数ペア:

[(1, 1221621948), (2, 610810974), (3, 407207316), (4, 305405487), (6, 203603658), (9, 135735772), (12, 101801829), (18, 67867886), (19, 64295892), (36, 33933943), (38, 32147946), (57, 21431964), (76, 16073973), (114, 10715982), (171, 7143988), (228, 5357991), (342, 3571994), (684, 1785997), (1153, 1059516), (1549, 788652), (2306, 529758), (3098, 394326), (3459, 353172), (4612, 264879), (4647, 262884), (6196, 197163), (6918, 176586), (9294, 131442), (10377, 117724), (13836, 88293), (13941, 87628), (18588, 65721), (20754, 58862), (21907, 55764), (27882, 43814), (29431, 41508)]