18157037206

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:638

約数の個数: 128

約数和(自身を含む): 35707392000

約数和(自身を除く): 17550354794

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 79, 82, 89, 154, 158, 178, 287, 409, 451, 553, 574, 623, 818, 869, 902, 979, 1106, 1246, 1738, 1958, 2863, 3157, 3239, 3649, 4499, 5726, 6083, 6314, 6478, 6853, 7031, 7298, 8998, 12166, 13706, 14062, 16769, 22673, 25543, 31493, 32311, 33538, 35629, 36401, 40139, 45346, 49217, 51086, 62986, 64622, 71258, 72802, 77341, 80278, 98434, 117383, 154682, 184459, 226177, 234766, 249403, 254807, 280973, 288271, 355421, 368918, 400411, 452354, 498806, 509614, 541387, 561946, 576542, 710842, 800822, 1082774, 1291213, 1324751, 1492441, 2017897, 2487947, 2582426, 2649502, 2802877, 2875679, 2984882, 3170981, 4035794, 4975894, 5605754, 5751358, 6341962, 9273257, 10447087, 14572261, 16416851, 18546514, 20129753, 20894174, 22196867, 29144522, 31632469, 32833702, 40259506, 44393734, 63264938, 102005827, 114917957, 117902839, 204011654, 221427283, 229835914, 235805678, 442854566, 825319873, 1296931229, 1650639746, 2593862458, 9078518603, 18157037206]

約数ペア:

[(1, 18157037206), (2, 9078518603), (7, 2593862458), (11, 1650639746), (14, 1296931229), (22, 825319873), (41, 442854566), (77, 235805678), (79, 229835914), (82, 221427283), (89, 204011654), (154, 117902839), (158, 114917957), (178, 102005827), (287, 63264938), (409, 44393734), (451, 40259506), (553, 32833702), (574, 31632469), (623, 29144522), (818, 22196867), (869, 20894174), (902, 20129753), (979, 18546514), (1106, 16416851), (1246, 14572261), (1738, 10447087), (1958, 9273257), (2863, 6341962), (3157, 5751358), (3239, 5605754), (3649, 4975894), (4499, 4035794), (5726, 3170981), (6083, 2984882), (6314, 2875679), (6478, 2802877), (6853, 2649502), (7031, 2582426), (7298, 2487947), (8998, 2017897), (12166, 1492441), (13706, 1324751), (14062, 1291213), (16769, 1082774), (22673, 800822), (25543, 710842), (31493, 576542), (32311, 561946), (33538, 541387), (35629, 509614), (36401, 498806), (40139, 452354), (45346, 400411), (49217, 368918), (51086, 355421), (62986, 288271), (64622, 280973), (71258, 254807), (72802, 249403), (77341, 234766), (80278, 226177), (98434, 184459), (117383, 154682)]