193500774

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:246

約数の個数: 72

約数和(自身を含む): 442161720

約数和(自身を除く): 248660946

約数列:

[1, 2, 3, 6, 9, 18, 43, 53, 86, 89, 106, 129, 159, 178, 258, 267, 318, 387, 477, 534, 774, 801, 954, 1602, 2279, 2809, 3827, 4558, 4717, 5618, 6837, 7654, 8427, 9434, 11481, 13674, 14151, 16854, 20511, 22962, 25281, 28302, 34443, 41022, 42453, 50562, 68886, 84906, 120787, 202831, 241574, 250001, 362361, 405662, 500002, 608493, 724722, 750003, 1087083, 1216986, 1500006, 1825479, 2174166, 2250009, 3650958, 4500018, 10750043, 21500086, 32250129, 64500258, 96750387, 193500774]

約数ペア:

[(1, 193500774), (2, 96750387), (3, 64500258), (6, 32250129), (9, 21500086), (18, 10750043), (43, 4500018), (53, 3650958), (86, 2250009), (89, 2174166), (106, 1825479), (129, 1500006), (159, 1216986), (178, 1087083), (258, 750003), (267, 724722), (318, 608493), (387, 500002), (477, 405662), (534, 362361), (774, 250001), (801, 241574), (954, 202831), (1602, 120787), (2279, 84906), (2809, 68886), (3827, 50562), (4558, 42453), (4717, 41022), (5618, 34443), (6837, 28302), (7654, 25281), (8427, 22962), (9434, 20511), (11481, 16854), (13674, 14151)]