991745118

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19531}}^1$

素因数の和:19590

約数の個数: 96

約数和(自身を含む): 2730104832

約数和(自身を除く): 1738359714

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 31, 39, 42, 62, 63, 78, 91, 93, 117, 126, 182, 186, 217, 234, 273, 279, 403, 434, 546, 558, 651, 806, 819, 1209, 1302, 1638, 1953, 2418, 2821, 3627, 3906, 5642, 7254, 8463, 16926, 19531, 25389, 39062, 50778, 58593, 117186, 136717, 175779, 253903, 273434, 351558, 410151, 507806, 605461, 761709, 820302, 1210922, 1230453, 1523418, 1777321, 1816383, 2285127, 2460906, 3554642, 3632766, 4238227, 4570254, 5331963, 5449149, 7870993, 8476454, 10663926, 10898298, 12714681, 15741986, 15995889, 23612979, 25429362, 31991778, 38144043, 47225958, 55096951, 70838937, 76288086, 110193902, 141677874, 165290853, 330581706, 495872559, 991745118]

約数ペア:

[(1, 991745118), (2, 495872559), (3, 330581706), (6, 165290853), (7, 141677874), (9, 110193902), (13, 76288086), (14, 70838937), (18, 55096951), (21, 47225958), (26, 38144043), (31, 31991778), (39, 25429362), (42, 23612979), (62, 15995889), (63, 15741986), (78, 12714681), (91, 10898298), (93, 10663926), (117, 8476454), (126, 7870993), (182, 5449149), (186, 5331963), (217, 4570254), (234, 4238227), (273, 3632766), (279, 3554642), (403, 2460906), (434, 2285127), (546, 1816383), (558, 1777321), (651, 1523418), (806, 1230453), (819, 1210922), (1209, 820302), (1302, 761709), (1638, 605461), (1953, 507806), (2418, 410151), (2821, 351558), (3627, 273434), (3906, 253903), (5642, 175779), (7254, 136717), (8463, 117186), (16926, 58593), (19531, 50778), (25389, 39062)]