258718746

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 640991232

約数和(自身を除く): 382272486

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 31, 33, 39, 62, 66, 71, 78, 93, 137, 142, 143, 186, 213, 274, 286, 341, 403, 411, 426, 429, 682, 781, 806, 822, 858, 923, 1023, 1209, 1507, 1562, 1781, 1846, 2046, 2201, 2343, 2418, 2769, 3014, 3562, 4247, 4402, 4433, 4521, 4686, 5343, 5538, 6603, 8494, 8866, 9042, 9727, 10153, 10686, 12741, 13206, 13299, 19454, 19591, 20306, 24211, 25482, 26598, 28613, 29181, 30459, 39182, 46717, 48422, 55211, 57226, 58362, 58773, 60918, 72633, 85839, 93434, 106997, 110422, 117546, 126451, 140151, 145266, 165633, 171678, 213994, 252902, 280302, 301537, 314743, 320991, 331266, 379353, 603074, 607321, 629486, 641982, 758706, 904611, 944229, 1214642, 1390961, 1809222, 1821963, 1888458, 2781922, 3316907, 3643926, 3919981, 4172883, 6633814, 7839962, 8345766, 9950721, 11759943, 19901442, 23519886, 43119791, 86239582, 129359373, 258718746]

約数ペア:

[(1, 258718746), (2, 129359373), (3, 86239582), (6, 43119791), (11, 23519886), (13, 19901442), (22, 11759943), (26, 9950721), (31, 8345766), (33, 7839962), (39, 6633814), (62, 4172883), (66, 3919981), (71, 3643926), (78, 3316907), (93, 2781922), (137, 1888458), (142, 1821963), (143, 1809222), (186, 1390961), (213, 1214642), (274, 944229), (286, 904611), (341, 758706), (403, 641982), (411, 629486), (426, 607321), (429, 603074), (682, 379353), (781, 331266), (806, 320991), (822, 314743), (858, 301537), (923, 280302), (1023, 252902), (1209, 213994), (1507, 171678), (1562, 165633), (1781, 145266), (1846, 140151), (2046, 126451), (2201, 117546), (2343, 110422), (2418, 106997), (2769, 93434), (3014, 85839), (3562, 72633), (4247, 60918), (4402, 58773), (4433, 58362), (4521, 57226), (4686, 55211), (5343, 48422), (5538, 46717), (6603, 39182), (8494, 30459), (8866, 29181), (9042, 28613), (9727, 26598), (10153, 25482), (10686, 24211), (12741, 20306), (13206, 19591), (13299, 19454)]