199924816

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2251}}^1$

素因数の和:2340

約数の個数: 80

約数和(自身を含む): 484774528

約数和(自身を除く): 284849712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 364, 427, 488, 728, 793, 854, 976, 1456, 1586, 1708, 2251, 3172, 3416, 4502, 5551, 6344, 6832, 9004, 11102, 12688, 15757, 18008, 22204, 29263, 31514, 36016, 44408, 58526, 63028, 88816, 117052, 126056, 137311, 204841, 234104, 252112, 274622, 409682, 468208, 549244, 819364, 961177, 1098488, 1638728, 1785043, 1922354, 2196976, 3277456, 3570086, 3844708, 7140172, 7689416, 12495301, 14280344, 15378832, 24990602, 28560688, 49981204, 99962408, 199924816]

約数ペア:

[(1, 199924816), (2, 99962408), (4, 49981204), (7, 28560688), (8, 24990602), (13, 15378832), (14, 14280344), (16, 12495301), (26, 7689416), (28, 7140172), (52, 3844708), (56, 3570086), (61, 3277456), (91, 2196976), (104, 1922354), (112, 1785043), (122, 1638728), (182, 1098488), (208, 961177), (244, 819364), (364, 549244), (427, 468208), (488, 409682), (728, 274622), (793, 252112), (854, 234104), (976, 204841), (1456, 137311), (1586, 126056), (1708, 117052), (2251, 88816), (3172, 63028), (3416, 58526), (4502, 44408), (5551, 36016), (6344, 31514), (6832, 29263), (9004, 22204), (11102, 18008), (12688, 15757)]