217857192

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 661478400

約数和(自身を除く): 443621208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 131, 133, 152, 168, 228, 262, 266, 393, 399, 456, 521, 524, 532, 786, 798, 917, 1042, 1048, 1064, 1563, 1572, 1596, 1834, 2084, 2489, 2751, 3126, 3144, 3192, 3647, 3668, 4168, 4978, 5502, 6252, 7294, 7336, 7467, 9899, 9956, 10941, 11004, 12504, 14588, 14934, 17423, 19798, 19912, 21882, 22008, 29176, 29697, 29868, 34846, 39596, 43764, 52269, 59394, 59736, 68251, 69293, 69692, 79192, 87528, 104538, 118788, 136502, 138586, 139384, 204753, 207879, 209076, 237576, 273004, 277172, 409506, 415758, 418152, 477757, 546008, 554344, 819012, 831516, 955514, 1296769, 1433271, 1638024, 1663032, 1911028, 2593538, 2866542, 3822056, 3890307, 5187076, 5733084, 7780614, 9077383, 10374152, 11466168, 15561228, 18154766, 27232149, 31122456, 36309532, 54464298, 72619064, 108928596, 217857192]

約数ペア:

[(1, 217857192), (2, 108928596), (3, 72619064), (4, 54464298), (6, 36309532), (7, 31122456), (8, 27232149), (12, 18154766), (14, 15561228), (19, 11466168), (21, 10374152), (24, 9077383), (28, 7780614), (38, 5733084), (42, 5187076), (56, 3890307), (57, 3822056), (76, 2866542), (84, 2593538), (114, 1911028), (131, 1663032), (133, 1638024), (152, 1433271), (168, 1296769), (228, 955514), (262, 831516), (266, 819012), (393, 554344), (399, 546008), (456, 477757), (521, 418152), (524, 415758), (532, 409506), (786, 277172), (798, 273004), (917, 237576), (1042, 209076), (1048, 207879), (1064, 204753), (1563, 139384), (1572, 138586), (1596, 136502), (1834, 118788), (2084, 104538), (2489, 87528), (2751, 79192), (3126, 69692), (3144, 69293), (3192, 68251), (3647, 59736), (3668, 59394), (4168, 52269), (4978, 43764), (5502, 39596), (6252, 34846), (7294, 29868), (7336, 29697), (7467, 29176), (9899, 22008), (9956, 21882), (10941, 19912), (11004, 19798), (12504, 17423), (14588, 14934)]